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alleycats - Extract[F[_]] the only way to get the syntax is the deprecated one #4670

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2 changes: 1 addition & 1 deletion alleycats-core/src/main/scala/alleycats/syntax/all.scala
Original file line number Diff line number Diff line change
Expand Up @@ -21,4 +21,4 @@

package alleycats.syntax

object all extends EmptySyntax with FoldableSyntax
object all extends EmptySyntax with FoldableSyntax with ExtractSyntax
33 changes: 33 additions & 0 deletions alleycats-core/src/main/scala/alleycats/syntax/extract.scala
Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
/*
* 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 alleycats
package syntax

import alleycats.Extract

object extract extends ExtractSyntax

trait ExtractSyntax {
implicit class ExtractOps[F[_], A](fa: F[A])(implicit ev: Extract[F]) {
def extract(): A = ev.extract(fa)
}
}