A class supporting filtered operations
Adds two or more elements to this collection and returns the collection itself
Adds two or more elements to this collection and returns the collection itself.
the first element to add.
the second element to add.
the remaining elements to add.
a new buffer with the given elements added.
Adds a single element to this collection and returns the collection itself
Adds a single element to this collection and returns the collection itself.
the element to add.
a fresh collection with elem
added.
Adds a number of elements provided by an iterator and returns the collection itself
Adds a number of elements provided by an iterator and returns the collection itself.
the iterator
a new buffer with the given elements added.
Adds a number of elements provided by a traversable object and returns either the collection itself
Adds a number of elements provided by a traversable object and returns either the collection itself.
the iterable object.
a new buffer with the given elements added.
Concatenates this buffer with the elements of an iterator
Concatenates this buffer with the elements of an iterator.
the element type of the returned collection.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the iterator to append.
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
which contains all elements of this buffer
followed by all elements of that
.
Concatenates this buffer with the elements of a traversable collection
Concatenates this buffer with the elements of a traversable collection.
the element type of the returned collection.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the traversable to append.
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
which contains all elements of this buffer
followed by all elements of that
.
Adds a number of elements in an array
Adds a number of elements in an array
the array
the first element to append
the number of elements to append
Appends all elements contained in a traversable collection to this buffer
Appends all elements contained in a traversable collection to this buffer.
the collection containing the elements to append.
the buffer itself.
Appends all elements produced by an iterator to this buffer
Appends all elements produced by an iterator to this buffer.
the iterator producing the elements to append.
the buffer itself.
Prepends the elements produced by an iterator to this buffer
Prepends the elements produced by an iterator to this buffer.
the iterator producing the elements to prepend.
the buffer itself.
Prepends the elements contained in a traversable collection to this buffer
Prepends the elements contained in a traversable collection to this buffer.
the collection containing the elements to prepend.
the buffer itself.
Prepends an element to this buffer
Prepends an element to this buffer
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the prepended element
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
consisting of elem
followed
by all elements of this buffer.
Appends a single element to this buffer
Appends a single element to this buffer.
Appends two or more elements to this buffer
Appends two or more elements to this buffer.
the first element to append.
the second element to append.
the remaining elements to append.
the buffer itself
Prepends a single element to this buffer
Prepends a single element to this buffer.
Removes two or more elements from this collection and returns the collection itself
Removes two or more elements from this collection and returns the collection itself.
the first element to remove.
the second element to remove.
the remaining elements to remove.
a new buffer that contains all elements of the current buffer except one less occurrence of each of the given elements.
Removes a single element from this collection and returns the collection itself
Removes a single element from this collection and returns the collection itself.
the element to remove.
a new collection that contains all elements of the current buffer
except one less occurrence of elem
.
Removes a number of elements provided by an iterator and returns the collection itself
Removes a number of elements provided by an iterator and returns the collection itself.
the iterator
a new buffer that contains all elements of the current buffer
except one less occurrence of each of the elements produced by iter
.
Removes a number of elements provided by a Traversable object and returns the collection itself
Removes a number of elements provided by a Traversable object and returns the collection itself.
the Traversable object.
a new buffer that contains all elements of the current buffer
except one less occurrence of each of the elements of elems
.
Removes all elements contained in a traversable collection from this buffer
Removes all elements contained in a traversable collection from this buffer.
the collection containing the elements to remove.
the buffer itself
Removes all elements produced by an iterator from this buffer
Removes all elements produced by an iterator from this buffer.
the iterator producing the elements to remove.
the buffer itself
Removes a single element from this buffer, at its first occurrence
Removes a single element from this buffer, at its first occurrence. If the buffer does not contain that element, it is unchanged.
the element to remove.
the buffer itself
Removes two or more elements from this buffer
Removes two or more elements from this buffer.
the first element to remove.
the second element to remove.
the remaining elements to remove.
the buffer itself
Applies a binary operator to a start value and all elements of this buffer, going left to right
Applies a binary operator to a start value and all elements of this buffer, going left to right.
Note: /:
is alternate syntax for foldLeft
; z /: xs
is the same as xs foldLeft z
.
the result type of the binary operator.
the start value.
the binary operator.
the result of inserting op
between consecutive elements of this buffer$,
going left to right with the start value z
on the left:
{{{
op(...op(op(z, x1), x2), ..., xn)
}}}
where x,,1,,, ..., x,,n,,
are the elements of this buffer.
Appends an element to this buffer
Appends an element to this buffer
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the appended element
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
consisting of
all elements of this buffer followed by elem
.
Applies a binary operator to all elements of this buffer and a start value, going right to left
Applies a binary operator to all elements of this buffer and a start value, going right to left.
Note: :\
is alternate syntax for foldRight
; xs :\ z
is the same as xs foldRight z
.
the result type of the binary operator.
the start value
the binary operator
the result of inserting op
between consecutive elements of this buffer$,
going right to left with the start value z
on the right:
{{{
op(x1, op(x2, ... op(xn, z)...))
}}}
where x,,1,,, ..., x,,n,,
are the elements of this buffer.
Send a message to this scriptable object
Send a message to this scriptable object.
the message to send.
Appends all elements of this buffer to a string builder
Appends all elements of this buffer to a string builder.
The written text consists of the string representations (w.r.t. the method toString
)
of all elements of this buffer without any separator string.
the string builder to which elements are appended.
the string builder b
to which elements were appended.
Appends all elements of this buffer to a string builder using a separator string
Appends all elements of this buffer to a string builder using a separator string.
The written text consists of the string representations (w.r.t. the method toString
)
of all elements of this buffer, separated by the string sep
.
the string builder to which elements are appended.
the separator string.
the string builder b
to which elements were appended.
Appends all elements of this buffer to a string builder using start, end, and separator strings
Appends all elements of this buffer to a string builder using start, end, and separator strings.
The written text begins with the string start
and ends with the string
end
. Inside, the string representations (w.r.t. the method toString
)
of all elements of this buffer are separated by the string sep
.
the string builder to which elements are appended.
the starting string.
the separator string.
the ending string.
the string builder b
to which elements were appended.
Composes this partial function with a transformation function that gets applied to results of this partial function
Composes this partial function with a transformation function that gets applied to results of this partial function.
the result type of the transformation function.
the transformation function
a partial function with the same domain as this partial function, which maps
arguments x
to k(this(x))
.
Appends the given elements to this buffer
Appends the given elements to this buffer.
the elements to append.
Appends the elements produced by an iterator to this buffer
Appends the elements produced by an iterator to this buffer.
Appends the elements contained in a traversable collection to this buffer
Appends the elements contained in a traversable collection to this buffer.
the collection containing the elements to append.
Selects an element by its index in the buffer
Selects an element by its index in the buffer.
Method called from equality methods, so that user-defined subclasses can refuse to be equal to other collections of the same kind
Method called from equality methods, so that user-defined subclasses can refuse to be equal to other collections of the same kind.
The object with which this buffer should be compared
true
, if this buffer can possibly equal that
, false
otherwise. The test
takes into consideration only the run-time types of objects but ignores their elements.
Clears the buffer's contents
Clears the buffer's contents. After this operation, the buffer is empty.
This method creates and returns a copy of the receiver object
This method creates and returns a copy of the receiver object.
The default implementation of the clone
method is platform dependent.
The factory companion object that builds instances of class Buffer
The factory companion object that builds instances of class Buffer.
(f compose g)(x) == f(g(x))
(f compose g)(x) == f(g(x))
Tests whether this buffer contains a given value as an element
Tests whether this buffer contains a given value as an element.
the element to test.
true
if this buffer has an element that is
is equal (wrt ==
) to elem
, false
otherwise.
Tests whether this buffer contains a given sequence as a slice
Tests whether this buffer contains a given sequence as a slice.
the sequence to test
true
if this buffer contains a slice with the same elements
as that
, otherwise false
.
Copies elements of this buffer to an array
Copies elements of this buffer to an array.
Fills the given array xs
with at most len
elements of
this buffer, starting at position start
.
Copying will stop once either the end of the current buffer is reached,
or the end of the array is reached, or len
elements have been copied.
the type of the elements of the array.
the array to fill.
the starting index.
the maximal number of elements to copy.
Copies elements of this buffer to an array
Copies elements of this buffer to an array.
Fills the given array xs
with all elements of
this buffer, starting at position 0
.
Copying will stop once either the end of the current buffer is reached,
or the end of the array is reached.
the type of the elements of the array.
the array to fill.
Copies elements of this buffer to an array
Copies elements of this buffer to an array.
Fills the given array xs
with all elements of
this buffer, starting at position start
.
Copying will stop once either the end of the current buffer is reached,
or the end of the array is reached.
the type of the elements of the array.
the array to fill.
the starting index.
Copies all elements of this buffer to a buffer
Copies all elements of this buffer to a buffer.
The buffer to which elements are copied.
Tests whether every element of this buffer relates to the corresponding element of another sequence by satisfying a test predicate
Tests whether every element of this buffer relates to the corresponding element of another sequence by satisfying a test predicate.
the type of the elements of that
the other sequence
the test predicate, which relates elements from both sequences
true
if both sequences have the same length and
p(x, y)
is true
for all corresponding elements x
of this buffer
and y
of that
, otherwise false
.
Counts the number of elements in the buffer which satisfy a predicate
Counts the number of elements in the buffer which satisfy a predicate.
the predicate used to test elements.
the number of elements satisfying the predicate p
.
Computes the multiset difference between this buffer and another sequence
Computes the multiset difference between this buffer and another sequence.
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the sequence of elements to remove
a new collection of type That
which contains all elements of this buffer
except some of occurrences of elements that also appear in that
.
If an element value x
appears
n times in that
, then the first n occurrences of x
will not form
part of the result, but any following occurrences will.
Selects all elements except first n ones
Selects all elements except first n ones.
the number of elements to drop from this buffer.
a buffer consisting of all elements of this buffer except the first n
ones, or else the
empty buffer, if this buffer has less than n
elements.
Selects all elements except first n ones
Selects all elements except first n ones.
The number of elements to take
a buffer consisting of all elements of this buffer except the first n
ones, or else the
empty buffer, if this buffer has less than n
elements.
Drops longest prefix of elements that satisfy a predicate
Drops longest prefix of elements that satisfy a predicate.
The predicate used to test elements.
the longest suffix of this buffer whose first element
does not satisfy the predicate p
.
Tests whether this buffer ends with the given sequence
Tests whether this buffer ends with the given sequence.
the sequence to test
true
if this buffer has that
as a suffix, false
otherwise.
The equality method defined in AnyRef
Tests whether every element of this buffer relates to the corresponding element of another sequence by satisfying a test predicate
Tests whether every element of this buffer relates to the corresponding element of another sequence by satisfying a test predicate.
the type of the elements of that
the other sequence
true
if both sequences have the same length and
p(x, y)
is true
for all corresponding elements x
of this buffer
and y
of that
, otherwise false
.
Tests whether a predicate holds for some of the elements of this buffer
Tests whether a predicate holds for some of the elements of this buffer.
the predicate used to test elements.
true
if the given predicate p
holds for some of the elements
of this buffer, otherwise false
.
Selects all elements of this buffer which satisfy a predicate
Selects all elements of this buffer which satisfy a predicate.
the predicate used to test elements.
a new buffer consisting of all elements of this buffer that satisfy the given
predicate p
. The order of the elements is preserved.
Selects all elements of this buffer which do not satisfy a predicate
Selects all elements of this buffer which do not satisfy a predicate.
the predicate used to test elements.
a new buffer consisting of all elements of this buffer that do not satisfy the given
predicate p
. The order of the elements is preserved.
Finds the first element of the buffer satisfying a predicate, if any
Finds the first element of the buffer satisfying a predicate, if any.
the predicate used to test elements.
an option value containing the first element in the buffer
that satisfies p
, or None
if none exists.
Returns index of the first element satisying a predicate, or -1
Returns index of the first element satisying a predicate, or -1
.
Returns index of the last element satisying a predicate, or -1
Returns index of the last element satisying a predicate, or -1.
None
if iterable is empty
None
if iterable is empty.
Builds a new collection by applying a function to all elements of this buffer and concatenating the results
Builds a new collection by applying a function to all elements of this buffer and concatenating the results.
the element type of the returned collection.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the function to apply to each element.
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
resulting from applying the given collection-valued function
f
to each element of this buffer and concatenating the results.
Converts this buffer of traversable collections into a buffer in which all element collections are concatenated
Converts this buffer of traversable collections into a buffer in which all element collections are concatenated.
the type of the elements of each traversable collection.
an implicit conversion which asserts that the element type of this
buffer is a Traversable
.
a new buffer resulting from concatenating all element buffers.
Applies a binary operator to a start value and all elements of this buffer, going left to right
Applies a binary operator to a start value and all elements of this buffer, going left to right.
the result type of the binary operator.
the start value.
the binary operator.
the result of inserting op
between consecutive elements of this buffer$,
going left to right with the start value z
on the left:
{{{
op(...op(z, x1), x2, ..., xn)
}}}
where x,,1,,, ..., x,,n,,
are the elements of this buffer.
Applies a binary operator to all elements of this buffer and a start value, going right to left
Applies a binary operator to all elements of this buffer and a start value, going right to left.
the result type of the binary operator.
the start value.
the binary operator.
the result of inserting op
between consecutive elements of this buffer$,
going right to left with the start value z
on the right:
{{{
op(x1, op(x2, ... op(xn, z)...))
}}}
where x,,1,,, ..., x,,n,,
are the elements of this buffer.
Tests whether a predicate holds for all elements of this buffer
Tests whether a predicate holds for all elements of this buffer.
the predicate used to test elements.
true
if the given predicate p
holds for all elements
of this buffer, otherwise false
.
Applies a function f
to all elements of this buffer
Applies a function f
to all elements of this buffer.
Note: this method underlies the implementation of most other bulk operations. Subclasses should re-implement this method if a more efficient implementation exists.
the type parameter describing the result of function f
.
This result will always be ignored. Typically U
is Unit
,
but this is not necessary.
the function that is applied for its side-effect to every element.
The result of function f
is discarded.
The generic builder that builds instances of Buffer at arbitrary element types
The generic builder that builds instances of Buffer at arbitrary element types.
Partitions this buffer into a map of buffers according to some discriminator function
Partitions this buffer into a map of buffers according to some discriminator function.
Note: this method is not re-implemented by views. This means when applied to a view it will always force the view and return a new buffer.
the type of keys returned by the discriminator function.
the discriminator function.
A map from keys to buffers such that the following invariant holds:
{{{
(xs partition f)(k) = xs filter (x => f(x) == k)
}}}
That is, every key k
is bound to a buffer of those elements x
for which f(x)
equals k
.
Tests whether this buffer is known to have a finite size
Tests whether this buffer is known to have a finite size.
All strict collections are known to have finite size. For a non-strict collection
such as Stream
, the predicate returns true
if all elements have been computed.
It returns false
if the stream is not yet evaluated to the end.
Note: many collection methods will not work on collections of infinite sizes.
Hashcodes for Buffer produce a value from the hashcodes of all the elements of the buffer
Hashcodes for Buffer produce a value from the hashcodes of all the elements of the buffer.
Selects the first element of this buffer
Selects the first element of this buffer.
Optionally selects the first element
Optionally selects the first element.
Finds index of first occurrence of some value in this buffer after or at some start index
Finds index of first occurrence of some value in this buffer after or at some start index.
the type of the element elem
.
the element value to search for.
the start index
the index >= from
of the first element of this buffer that is equal (wrt ==
)
to elem
, or -1
, if none exists.
Finds index of first occurrence of some value in this buffer
Finds index of first occurrence of some value in this buffer.
the type of the element elem
.
the element value to search for.
the index of the first element of this buffer that is equal (wrt ==
)
to elem
, or -1
, if none exists.
Finds first index after or at a start index where this buffer contains a given sequence as a slice
Finds first index after or at a start index where this buffer contains a given sequence as a slice.
the sequence to test
the start index
the first index >= from
such that the elements of this buffer starting at this index
match the elements of sequence that
, or -1
of no such subsequence exists.
Finds first index where this buffer contains a given sequence as a slice
Finds first index where this buffer contains a given sequence as a slice.
the sequence to test
the first index such that the elements of this buffer starting at this index
match the elements of sequence that
, or -1
of no such subsequence exists.
Finds index of the first element satisfying some predicate after or at some start index
Finds index of the first element satisfying some predicate after or at some start index.
the predicate used to test elements.
the start index
the index >= from
of the first element of this buffer that satisfies the predicate p
,
or -1
, if none exists.
Finds index of first element satisfying some predicate
Finds index of first element satisfying some predicate.
the predicate used to test elements.
the index of the first element of this buffer that satisfies the predicate p
,
or -1
, if none exists.
Produces the range of all indices of this sequence
Produces the range of all indices of this sequence.
Selects all elements except the last
Selects all elements except the last.
Inserts new elements at a given index into this buffer
Inserts new elements at a given index into this buffer.
the index where new elements are inserted.
the traversable collection containing the elements to insert.
Inserts new elements at a given index into this buffer
Inserts new elements at a given index into this buffer.
the index where new elements are inserted.
the traversable collection containing the elements to insert.
Computes the multiset intersection between this buffer and another sequence
Computes the multiset intersection between this buffer and another sequence.
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the sequence of elements to intersect with.
a new collection of type That
which contains all elements of this buffer
which also appear in that
.
If an element value x
appears
n times in that
, then the first n occurrences of x
will be retained
in the result, but any following occurrences will be omitted.
Tests whether this buffer contains given index
Tests whether this buffer contains given index.
The implementations of methods apply
and isDefinedAt
turn a Seq[A]
into
a PartialFunction[Int, A]
.
the index to test
true
if this buffer contains an element at position idx
, false
otherwise.
Tests whether this buffer is empty
Tests whether this buffer is empty.
Creates a new iterator over all elements contained in this iterable object
Creates a new iterator over all elements contained in this iterable object.
Selects the last element
Selects the last element.
Finds index of last occurrence of some value in this buffer before or at a given end index
Finds index of last occurrence of some value in this buffer before or at a given end index.
the type of the element elem
.
the element value to search for.
the end index.
the index <= end
of the last element of this buffer that is equal (wrt ==
)
to elem
, or -1
, if none exists.
Finds index of last occurrence of some value in this buffer
Finds index of last occurrence of some value in this buffer.
the type of the element elem
.
the element value to search for.
the index of the last element of this buffer that is equal (wrt ==
)
to elem
, or -1
, if none exists.
Finds last index before or at a given end index where this buffer contains a given sequence as a slice
Finds last index before or at a given end index where this buffer contains a given sequence as a slice.
the sequence to test
the end idnex
the last index <= end
such that the elements of this buffer starting at this index
match the elements of sequence that
, or -1
of no such subsequence exists.
Finds last index where this buffer contains a given sequence as a slice
Finds last index where this buffer contains a given sequence as a slice.
the sequence to test
the last index such that the elements of this buffer starting a this index
match the elements of sequence that
, or -1
of no such subsequence exists.
Finds index of last element satisfying some predicate before or at given end index
Finds index of last element satisfying some predicate before or at given end index.
the predicate used to test elements.
the index <= end
of the last element of this buffer that satisfies the predicate p
,
or -1
, if none exists.
Finds index of last element satisfying some predicate
Finds index of last element satisfying some predicate.
the predicate used to test elements.
the index of the last element of this buffer that satisfies the predicate p
,
or -1
, if none exists.
Optionally selects the last element
Optionally selects the last element.
The length of the buffer
The length of the buffer.
Note: xs.length
and xs.size
yield the same result.
Compares the length of this buffer to a test value
Compares the length of this buffer to a test value.
the test value that gets compared with the length.
A value x
where
{{{
x < 0 if this.length < len
x == 0 if this.length == len
x > 0 if this.length > len
}}}
The method as implemented here does not call length
directly; its running time
is O(length min len)
instead of O(length)
. The method should be overwritten
if computing length
is cheap.
Turns this partial function into an plain function returning an Option
result
Turns this partial function into an plain function returning an Option
result.
Builds a new collection by applying a function to all elements of this buffer
Builds a new collection by applying a function to all elements of this buffer.
the element type of the returned collection.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the function to apply to each element.
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
resulting from applying the given function
f
to each element of this buffer and collecting the results.
Finds the largest element
Finds the largest element.
The type over which the ordering is defined.
An ordering to be used for comparing elements.
the largest element of this buffer with respect to the ordering cmp
.
Finds the smallest element
Finds the smallest element.
The type over which the ordering is defined.
An ordering to be used for comparing elements.
the smallest element of this buffer with respect to the ordering cmp
.
Displays all elements of this buffer in a string
Displays all elements of this buffer in a string.
Displays all elements of this buffer in a string using a separator string
Displays all elements of this buffer in a string using a separator string.
the separator string.
a string representation of this buffer. In the resulting string
the string representations (w.r.t. the method toString
)
of all elements of this buffer are separated by the string sep
.
Displays all elements of this buffer in a string using start, end, and separator strings
Displays all elements of this buffer in a string using start, end, and separator strings.
the starting string.
the separator string.
the ending string.
a string representation of this buffer. The resulting string
begins with the string start
and ends with the string
end
. Inside, the string representations (w.r.t. the method toString
)
of all elements of this buffer are separated by the string sep
.
Tests whether the buffer is not empty
Tests whether the buffer is not empty.
Composes this partial function with a fallback partial function which gets applied where this partial function is not defined
Composes this partial function with a fallback partial function which gets applied where this partial function is not defined.
the argument type of the fallback function
the result type of the fallback function
the fallback function
a partial function which has as domain the union of the domains
of this partial function and that
. The resulting partial function
takes x
to this(x)
where this
is defined, and to that(x)
where it is not.
Appends an element value to this buffer until a given target length is reached
Appends an element value to this buffer until a given target length is reached.
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the target length
the padding value
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
consisting of
all elements of this buffer followed by the minimal number of occurrences of elem
so
that the resulting collection has a length of at least len
.
Builds a new collection by applying a partial function to all elements of this buffer on which the function is defined
Builds a new collection by applying a partial function to all elements of this buffer on which the function is defined.
the element type of the returned collection.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the partial function which filters and maps the buffer.
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
resulting from applying the partial function
pf
to each element on which it is defined and collecting the results.
The order of the elements is preserved.
Partitions this buffer in two buffers according to a predicate
Partitions this buffer in two buffers according to a predicate.
the predicate on which to partition.
a pair of buffers: the first buffer consists of all elements that
satisfy the predicate p
and the second buffer consists of all elements
that don't. The relative order of the elements in the resulting buffers
is the same as in the original buffer.
Produces a new buffer where a slice of elements in this buffer is replaced by another sequence
Produces a new buffer where a slice of elements in this buffer is replaced by another sequence.
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the index of the first replaced element
the replacement sequence
the number of elements to drop in the original buffer
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
consisting of all elements of this buffer
except that replaced
elements starting from from
are replaced
by patch
.
Returns the length of the longest prefix whose elements all satisfy some preficate
Returns the length of the longest prefix whose elements all satisfy some preficate.
the predicate used to test elements.
the length of the longest prefix of this buffer
such that every element of the segment satisfies the predicate p
.
Prepends given elements to this buffer
Prepends given elements to this buffer.
the elements to prepend.
Prepends a number of elements produced by an iterator to this buffer
Prepends a number of elements produced by an iterator to this buffer.
the iterator producing the elements to prepend.
Prepends the elements contained in a traversable collection to this buffer
Prepends the elements contained in a traversable collection to this buffer.
Multiplies up the elements of this collection
Multiplies up the elements of this collection.
the result type of the *
operator.
an implicit parameter defining a set of numeric operations
which includes the *
operator to be used in forming the product.
the product of all elements of this buffer with respect to the *
operator in num
.
returns a projection that can be used to call non-strict filter
,
map
, and flatMap
methods that build projections
of the collection
returns a projection that can be used to call non-strict filter
,
map
, and flatMap
methods that build projections
of the collection.
Provide a read-only view of this byffer as a sequence
Provide a read-only view of this byffer as a sequence
Applies a binary operator to all elements of this buffer, going left to right
Applies a binary operator to all elements of this buffer, going left to right.
the result type of the binary operator.
the binary operator.
the result of inserting op
between consecutive elements of this buffer$,
going left to right:
{{{
op(...(op(x1, x2), ... ) , xn)
}}}
where x,,1,,, ..., x,,n,,
are the elements of this buffer.
Optionally applies a binary operator to all elements of this buffer, going left to right
Optionally applies a binary operator to all elements of this buffer, going left to right.
the result type of the binary operator.
the binary operator.
an option value containing the result of reduceLeft(op)
is this buffer is nonempty,
None
otherwise.
Applies a binary operator to all elements of this buffer, going right to left
Applies a binary operator to all elements of this buffer, going right to left.
the result type of the binary operator.
the binary operator.
the result of inserting op
between consecutive elements of this buffer$,
going right to left:
{{{
op(x1, op(x2, ..., op(xn-1, xn)...))
}}}
where x,,1,,, ..., x,,n,,
are the elements of this buffer.
Optionally applies a binary operator to all elements of this buffer, going right to left
Optionally applies a binary operator to all elements of this buffer, going right to left.
the result type of the binary operator.
the binary operator.
an option value containing the result of reduceRight(op)
is this buffer is nonempty,
None
otherwise.
Removes the element at a given index from this buffer
Removes the element at a given index from this buffer.
the index which refers to the element to delete.
the previous element at index n
Removes a number of elements from a given index position
Removes a number of elements from a given index position.
the index which refers to the first element to remove.
the number of elements to remove.
Builds a new buffer from this buffer without any duplicate elements
Builds a new buffer from this buffer without any duplicate elements.
The collection of type buffer underlying this TraversableLike
object
The collection of type buffer underlying this TraversableLike
object.
By default this is implemented as the TraversableLike
object itself, but this can be overridden.
Returns new buffer wih elements in reversed order
Returns new buffer wih elements in reversed order.
An iterator yielding elements in reversed order
An iterator yielding elements in reversed order.
Note: xs.reverseIterator
is the same as xs.reverse.iterator
but might be more efficient.
Builds a new collection by applying a function to all elements of this buffer and collecting the results in reversed order
Builds a new collection by applying a function to all elements of this buffer and collecting the results in reversed order.
Note: xs.reverseMap(f)
is the same as xs.reverse.map(f)
but might be more efficient.
the element type of the returned collection.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the function to apply to each element.
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
resulting from applying the given function
f
to each element of this buffer and collecting the results in reversed order.
Checks if the other iterable collection contains the same elements in the same order as this buffer
Checks if the other iterable collection contains the same elements in the same order as this buffer.
the type of the elements of collection that
.
the collection to compare with.
true
, if both collections contain the same elements in the same order, false
otherwise.
Computes length of longest segment whose elements all satisfy some preficate
Computes length of longest segment whose elements all satisfy some preficate.
the predicate used to test elements.
the index where the search starts.
the length of the longest segment of this buffer starting from index from
such that every element of the segment satisfies the predicate p
.
The size of this buffer, equivalent to length
The size of this buffer, equivalent to length
.
Selects an interval of elements
Selects an interval of elements.
Note: c.slice(from, to)
is equivalent to (but possibly more efficient than)
c.drop(from).take(to - from)
the index of the first returned element in this buffer.
the index one past the last returned element in this buffer.
a buffer containing the elements starting at index from
and extending up to (but not including) index until
of this buffer.
Sorts this Buffer according to the Ordering which results from transforming an implicitly given Ordering with a transformation function
Sorts this Buffer according to the Ordering which results from transforming an implicitly given Ordering with a transformation function.
the target type of the transformation f
, and the type where
the ordering ord
is defined.
the transformation function mapping elements
to some other domain B
.
the ordering assumed on domain B
.
a buffer consisting of the elements of this buffer
sorted according to the ordering where x < y
if
ord.lt(f(x), f(y))
.
Sorts this buffer according to an Ordering
Sorts this buffer according to an Ordering.
The sort is stable. That is, elements that are equal wrt lt
appear in the
same order in the sorted sequence as in the original.
the ordering to be used to compare elements.
a buffer consisting of the elements of this buffer
sorted according to the ordering ord
.
Sorts this buffer according to a comparison function
Sorts this buffer according to a comparison function.
The sort is stable. That is, elements that are equal wrt lt
appear in the
same order in the sorted sequence as in the original.
the comparison function which tests whether its first argument precedes its second argument in the desired ordering.
a buffer consisting of the elements of this buffer
sorted according to the comparison function lt
.
Spits this buffer into a prefix/suffix pair according to a predicate
Spits this buffer into a prefix/suffix pair according to a predicate.
Note: c span p
is equivalent to (but possibly more efficient than)
(c takeWhile p, c dropWhile p)
, provided the evaluation of the predicate p
does not cause any side-effects.
the test predicate
a pair consisting of the longest prefix of this buffer whose
elements all satisfy p
, and the rest of this buffer.
Splits this buffer into two at a given position
Splits this buffer into two at a given position.
Note: c splitAt n
is equivalent to (but possibly more efficient than)
(c take n, c drop n)
.
the position at which to split.
a pair of buffers consisting of the first n
elements of this buffer, and the other elements.
Tests whether this buffer starts with the given sequence
Tests whether this buffer starts with the given sequence.
the sequence to test
true
if this collection has that
as a prefix, false
otherwise.
otherwise false
Tests whether this buffer contains the given sequence at a given index
Tests whether this buffer contains the given sequence at a given index.
If the both the receiver object, this
and
the argument, that
are infinite sequences
this method may not terminate.
the sequence to test
the index where the sequence is searched.
true
if the sequence that
is contained in this buffer at index offset
,
otherwise false
.
Defines the prefix of this object's toString
representation
Defines the prefix of this object's toString
representation.
Sums up the elements of this collection
Sums up the elements of this collection.
the result type of the +
operator.
an implicit parameter defining a set of numeric operations
which includes the +
operator to be used in forming the sum.
the sum of all elements of this buffer with respect to the +
operator in num
.
Selects all elements except the first
Selects all elements except the first.
Selects first n elements
Selects first n elements.
Tt number of elements to take from this buffer.
a buffer consisting only of the first n
elements of this buffer, or else the
whole buffer, if it has less than n
elements.
Selects last n elements
Selects last n elements.
the number of elements to take
a buffer consisting only of the last n
elements of this buffer, or else the
whole buffer, if it has less than n
elements.
Takes longest prefix of elements that satisfy a predicate
Takes longest prefix of elements that satisfy a predicate.
The predicate used to test elements.
the longest prefix of this buffer whose elements all satisfy
the predicate p
.
Converts this buffer to an array
Converts this buffer to an array.
the type of the elements of the array. A ClassManifest
for this type must
be available.
an array containing all elements of this buffer.
Converts this buffer to an indexed sequence
Converts this buffer to an indexed sequence.
Converts this buffer to an iterable collection
Converts this buffer to an iterable collection.
Note: Will not terminate for infinite-sized collections.
Converts this buffer to a list
Converts this buffer to a list.
Converts this buffer to a sequence
Converts this buffer to a sequence.
Overridden for efficiency.
Converts this buffer to a set
Converts this buffer to a set.
Converts this buffer to a stream
Converts this buffer to a stream.
Converts this buffer to a string
Converts this buffer to a string
Transposes this buffer of traversable collections into
Transposes this buffer of traversable collections into
Removes the last n elements of this buffer
Removes the last n elements of this buffer.
the number of elements to remove from the end of this buffer.
Removes the first n elements of this buffer
Removes the first n elements of this buffer.
the number of elements to remove from the beginning of this buffer.
Produces a new sequence which contains all elements of this buffer and also all elements of a given sequence
Produces a new sequence which contains all elements of this buffer and also all elements of
a given sequence. xs union ys
is equivalent to xs ++ ys
.
Another way to express this
is that xs union ys
computes the order-presevring multi-set union of xs
and ys
.
union
is hence a counter-oart of diff
and intersect
which also work on multi-sets.
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the sequence to add.
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
which contains all elements of this buffer
followed by all elements of that
.
Converts this buffer of pairs into two collections of the first and second halfs of each pair
Converts this buffer of pairs into two collections of the first and second halfs of each pair.
an implicit conversion which asserts that the element type of this buffer is a pair.
a pair buffers, containing the first, respectively second half of each element pair of this buffer.
Replaces element at given index with a new value
Replaces element at given index with a new value.
the index of the element to replace.
A copy of this buffer with one single replaced element
A copy of this buffer with one single replaced element.
the element type of the returned buffer.
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type B
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, B, That]
is found.
the position of the replacement
the replacing element
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type B
.
a new collection of type That
which is a copy of this buffer with the element at position index
replaced by elem
.
Creates a non-strict view of a slice of this buffer
Creates a non-strict view of a slice of this buffer.
Note: the difference between view
and slice
is that view
produces
a view of the current buffer, whereas slice
produces a new buffer.
Note: view(from, to)
is equivalent to view.slice(from, to)
the index of the first element of the view
the index of the element following the view
a non-strict view of a slice of this buffer, starting at index from
and extending up to (but not including) index until
.
Creates a non-strict view of this buffer
Creates a non-strict view of this buffer.
Creates a non-strict filter of this buffer
Creates a non-strict filter of this buffer.
Note: the difference between c filter p
and c withFilter p
is that
the former creates a new collection, whereas the latter only restricts
the domain of subsequent map
, flatMap
, foreach
, and withFilter
operations.
the predicate used to test elements.
an object of class WithFilter
, which supports
map
, flatMap
, foreach
, and withFilter
operations.
All these operations apply to those elements of this buffer which
satify the predicate p
.
Returns a buffer formed from this buffer and another iterable collection by combining corresponding elements in pairs
Returns a buffer formed from this buffer and another iterable collection by combining corresponding elements in pairs. If one of the two collections is longer than the other, its remaining elements are ignored.
the type of the first half of the returned pairs (this is always a supertype
of the collection's element type A
).
the type of the second half of the returned pairs
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type (A1, B)
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, (A1, B), That]
.
is found.
The iterable providing the second half of each result pair
an implicit value of class CanBuildFrom
which determines the
result class That
from the current representation type Repr
and the new element type (A1, B)
.
a new collection of type That
containing pairs consisting of
corresponding elements of this buffer and that
. The length
of the returned collection is the minimum of the lengths of this buffer$ and that
.
Returns a buffer formed from this buffer and another iterable collection by combining corresponding elements in pairs
Returns a buffer formed from this buffer and another iterable collection by combining corresponding elements in pairs. If one of the two collections is shorter than the other, placeholder elements are used to extend the shorter collection to the length of the longer.
the iterable providing the second half of each result pair
the element to be used to fill up the result if this buffer is shorter than that
.
the element to be used to fill up the result if that
is shorter than this buffer.
a new collection of type That
containing pairs consisting of
corresponding elements of this buffer and that
. The length
of the returned collection is the maximum of the lengths of this buffer$ and that
.
If this buffer is shorter than that
, thisElem
values are used to pad the result.
If that
is shorter than this buffer, thatElem
values are used to pad the result.
Zips this buffer with its indices
Zips this buffer with its indices.
the type of the first half of the returned pairs (this is always a supertype
of the collection's element type A
).
the class of the returned collection. Where possible, That
is
the same class as the current collection class Repr
, but this
depends on the element type (A1, Int)
being admissible for that class,
which means that an implicit instance of type CanBuildFrom[Repr, (A1, Int), That]
.
is found.
A new collection of type That
containing pairs consisting of all elements of this
buffer paired with their index. Indices start at 0
.