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UnorderedTraverse.scala
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UnorderedTraverse.scala
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/*
* Copyright (c) 2015 Typelevel
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package cats
/**
* `UnorderedTraverse` is like a `Traverse` for unordered containers.
*/
trait UnorderedTraverse[F[_]] extends UnorderedFoldable[F] {
def unorderedTraverse[G[_]: CommutativeApplicative, A, B](sa: F[A])(f: A => G[B]): G[F[B]]
def unorderedSequence[G[_]: CommutativeApplicative, A](fga: F[G[A]]): G[F[A]] =
unorderedTraverse(fga)(identity)
}
object UnorderedTraverse {
/**
* Summon an instance of [[UnorderedTraverse]] for `F`.
*/
@inline def apply[F[_]](implicit instance: UnorderedTraverse[F]): UnorderedTraverse[F] = instance
@deprecated("Use cats.syntax object imports", "2.2.0")
object ops {
implicit def toAllUnorderedTraverseOps[F[_], A](target: F[A])(implicit tc: UnorderedTraverse[F]): AllOps[F, A] {
type TypeClassType = UnorderedTraverse[F]
} =
new AllOps[F, A] {
type TypeClassType = UnorderedTraverse[F]
val self: F[A] = target
val typeClassInstance: TypeClassType = tc
}
}
trait Ops[F[_], A] extends Serializable {
type TypeClassType <: UnorderedTraverse[F]
def self: F[A]
val typeClassInstance: TypeClassType
def unorderedTraverse[G[_], B](f: A => G[B])(implicit ev$1: CommutativeApplicative[G]): G[F[B]] =
typeClassInstance.unorderedTraverse[G, A, B](self)(f)
def unorderedSequence[G[_], B](implicit ev$1: A <:< G[B], ev$2: CommutativeApplicative[G]): G[F[B]] =
typeClassInstance.unorderedSequence[G, B](self.asInstanceOf[F[G[B]]])
}
trait AllOps[F[_], A] extends Ops[F, A] with UnorderedFoldable.AllOps[F, A] {
type TypeClassType <: UnorderedTraverse[F]
}
trait ToUnorderedTraverseOps extends Serializable {
implicit def toUnorderedTraverseOps[F[_], A](target: F[A])(implicit tc: UnorderedTraverse[F]): Ops[F, A] {
type TypeClassType = UnorderedTraverse[F]
} =
new Ops[F, A] {
type TypeClassType = UnorderedTraverse[F]
val self: F[A] = target
val typeClassInstance: TypeClassType = tc
}
}
@deprecated("Use cats.syntax object imports", "2.2.0")
object nonInheritedOps extends ToUnorderedTraverseOps
}