trait Monoid[T] extends Semigroup[T] with algebra.Monoid[T] with AdditiveMonoid[T]
Monoid (take a deep breath, and relax about the weird name): This is a semigroup that has an additive identity (called zero), such that a+0=a, 0+a=a, for every a
- Annotations
- @implicitNotFound("Cannot find Monoid type class for ${T}")
Linear Supertypes
Known Subclasses
Ordering
- Alphabetic
- By Inheritance
Inherited
- Monoid
- AdditiveMonoid
- Monoid
- Semigroup
- AdditiveSemigroup
- Semigroup
- Serializable
- AnyRef
- Any
- Hide All
- Show All
Visibility
- Public
- Protected
Abstract Value Members
Concrete Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- def additive: algebra.Monoid[T]
These are from algebra.Monoid
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- def assertNotZero(v: T): Unit
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def combine(l: T, r: T): T
- Definition Classes
- Semigroup → Semigroup
- def combineAll(t: TraversableOnce[T]): T
- Definition Classes
- Monoid → Monoid
- def combineAllOption(as: IterableOnce[T]): Option[T]
- Definition Classes
- Monoid → Semigroup
- def combineN(a: T, n: Int): T
- Definition Classes
- Monoid → Semigroup
- def empty: T
- Definition Classes
- Monoid → Monoid
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable])
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- def isEmpty(a: T)(implicit ev: Eq[T]): Boolean
- Definition Classes
- Monoid
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def isNonZero(v: T): Boolean
- def isZero(a: T)(implicit ev: Eq[T]): Boolean
- Definition Classes
- AdditiveMonoid
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def nonZeroOption(v: T): Option[T]
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- def positiveSumN(a: T, n: Int): T
- Attributes
- protected[this]
- Definition Classes
- AdditiveSemigroup
- def repeatedCombineN(a: T, n: Int): T
- Attributes
- protected[this]
- Definition Classes
- Semigroup
- def sum(vs: TraversableOnce[T]): T
- Definition Classes
- Monoid → AdditiveMonoid
- def sumN(a: T, n: Int): T
- Definition Classes
- AdditiveMonoid → AdditiveSemigroup
- def sumOption(iter: TraversableOnce[T]): Option[T]
Returns an instance of
Tcalculated by summing all instances initerin one pass.Returns an instance of
Tcalculated by summing all instances initerin one pass. ReturnsNoneifiteris empty, elseSome[T].- iter
instances of
Tto be combined- returns
Noneifiteris empty, else an option value containing the summedT
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- AnyRef → Any
- def trySum(as: TraversableOnce[T]): Option[T]
- Definition Classes
- AdditiveMonoid → AdditiveSemigroup
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()