/
option.scala
51 lines (42 loc) · 2.1 KB
/
option.scala
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/*
* Copyright (c) 2016 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 mouse
import scala.util.{Failure, Success, Try}
trait OptionSyntax {
implicit final def optionSyntaxMouse[A](oa: Option[A]): OptionOps[A] = new OptionOps(oa)
}
final class OptionOps[A](private val oa: Option[A]) extends AnyVal {
@inline def cata[B](some: A => B, none: => B): B = oa.fold[B](none)(some)
@inline def toTry(ex: => Throwable): Try[A] = cata(Success(_), Failure(ex))
@inline def toTryMsg(msg: => String): Try[A] = toTry(new RuntimeException(msg))
/**
* Same as oa.toRight except that it fixes the type to Either[B, A] On Scala prior to 2.12, toRight returns
* `Serializable with Product with Either[B, A]`
*/
@deprecated("Use toRight instead", "1.2.0")
@inline def right[B](b: => B): Either[B, A] = oa.toRight(b)
/**
* Same as oa.toLeft except that it fixes the type to Either[A, B] On Scala prior to 2.12, toLeft returns
* `Serializable with Product with Either[A, B]`
*/
@deprecated("Use toLeft instead", "1.2.0")
@inline def left[B](b: => B): Either[A, B] = oa.toLeft(b)
}