Trait/Object

spire.algebra

Semigroup

Related Docs: object Semigroup | package algebra

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trait Semigroup[A] extends Any

A semigroup is any set A with an associative operation (op).

Linear Supertypes
Any
Known Subclasses
AbGroup, CMonoid, CSemigroup, Group, IterableMonoid, MapGroup, MapIntIntGroup, MapMonoid, Monoid, OptionCMonoid, OptionMonoid, SignAlgebra, StringMonoid, UnitAbGroup, UnitAlgebra
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Abstract Value Members

  1. abstract def getClass(): Class[_]

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  2. abstract def op(x: A, y: A): A

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Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def combineOption(as: TraversableOnce[A]): Option[A]

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    Given a sequence of as, combine them using the semigroup and return the total.

    Given a sequence of as, combine them using the semigroup and return the total.

    If the sequence is empty, returns None. Otherwise, returns Some(total).

  6. def combinen(a: A, n: Int): A

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    Return a combined with itself n times.

  7. def combinenAboveOne(a: A, n: Int): A

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    Attributes
    protected

  8. def equals(arg0: Any): Boolean

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  9. def hashCode(): Int

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  10. final def isInstanceOf[T0]: Boolean

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  11. def toString(): String

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