Checks whether the queue is empty.
Checks whether the queue is not empty..
Offers the specified value to the queue.
Offers all of the elements in the specified collection to the queue.
Peeks at the first value in the queue without removing it, retrying until a value is in the queue.
Peeks at the first value in the queue without removing it, returning None
if there is not a value in the queue.
Removes all elements from the queue matching the specified predicate.
Retains only elements from the queue matching the specified predicate.
Returns the size of the queue.
Takes a value from the queue, retrying until a value is in the queue.
Takes all values from the queue.
Takes a value from the queue, returning None
if there is not a value in
the queue.
Takes up to the specified maximum number of elements from the queue.
Collects all values into a chunk.
Collects all values into a list.
Collects all values into a vector.
A
TPriorityQueue
contains values of typeA
that anOrdering
is defined on. Unlike aTQueue
,take
returns the highest priority value (the value that is first in the specified ordering) as opposed to the first value offered to the queue. The ordering that elements with the same priority will be taken from the queue is not guaranteed.