spire.algebra

Semigroup

trait Semigroup[A] extends AnyRef

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

Linear Supertypes
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Known Subclasses
AbGroup, CMonoid, CSemigroup, Group, IterableMonoid, MapGroup, MapMonoid, Monoid, OptionMonoid, SignAlgebra, StringMonoid
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Abstract Value Members

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

Concrete Value Members

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

    Definition Classes
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  2. final def ##(): Int

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

    Definition Classes
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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

    Attributes
    protected[java.lang]
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    @throws( ... )

  6. final def eq(arg0: AnyRef): Boolean

    Definition Classes
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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  9. final def getClass(): Class[_]

    Definition Classes
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  10. def hashCode(): Int

    Definition Classes
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  11. final def isInstanceOf[T0]: Boolean

    Definition Classes
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  12. final def ne(arg0: AnyRef): Boolean

    Definition Classes
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  13. final def notify(): Unit

    Definition Classes
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  14. final def notifyAll(): Unit

    Definition Classes
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  15. def sumOption(as: TraversableOnce[A]): Option[A]

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

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

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

  16. def sumn(a: A, n: Int): A

    Return a combined with itself n times.

  17. def sumnAboveOne(a: A, n: Int): A

    Attributes
    protected

  18. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
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  19. def toString(): String

    Definition Classes
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  20. final def wait(): Unit

    Definition Classes
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    @throws( ... )

  21. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
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    @throws( ... )

  22. final def wait(arg0: Long): Unit

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