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org.specs2.control.Functions.scala Maven / Gradle / Ivy
package org.specs2
package control
/**
* This trait provides utility methods for functions
*/
trait Functions {
/** transform a byname Function1 into a strict Function1 */
implicit def toStrictFunction1[T, S](f: (=>T) => S): T => S = (t: T) => f(t)
implicit def logicalFunction[A](f: A => Boolean): LogicalFunction[A] = LogicalFunction(f)
case class LogicalFunction[A](f: A => Boolean) {
def ||(g: A => Boolean) = (a: A) => f(a) || g(a)
def &&(g: A => Boolean) = (a: A) => f(a) && g(a)
def unary_! = (a: A) => !f(a)
}
/** missing untupled functions to 10 arguments */
def untupled[a1,a2,a3,a4,a5,a6,b](f: Tuple6[a1,a2,a3,a4,a5,a6] => b): (a1,a2,a3,a4,a5,a6) => b = (x1,x2,x3,x4,x5,x6) => f(Tuple6(x1,x2,x3,x4,x5,x6))
def untupled[a1,a2,a3,a4,a5,a6,a7,b](f: Tuple7 [a1,a2,a3,a4,a5,a6,a7] => b): (a1,a2,a3,a4,a5,a6,a7) => b = (x1,x2,x3,x4,x5,x6,x7) => f(Tuple7 (x1,x2,x3,x4,x5,x6,x7))
def untupled[a1,a2,a3,a4,a5,a6,a7,a8,b](f: Tuple8 [a1,a2,a3,a4,a5,a6,a7,a8] => b): (a1,a2,a3,a4,a5,a6,a7,a8) => b = (x1,x2,x3,x4,x5,x6,x7,x8) => f(Tuple8 (x1,x2,x3,x4,x5,x6,x7,x8))
def untupled[a1,a2,a3,a4,a5,a6,a7,a8,a9,b](f: Tuple9 [a1,a2,a3,a4,a5,a6,a7,a8,a9] => b): (a1,a2,a3,a4,a5,a6,a7,a8,a9) => b = (x1,x2,x3,x4,x5,x6,x7,x8,x9) => f(Tuple9 (x1,x2,x3,x4,x5,x6,x7,x8,x9))
def untupled[a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,b](f: Tuple10[a1,a2,a3,a4,a5,a6,a7,a8,a9,a10] => b): (a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) => b = (x1,x2,x3,x4,x5,x6,x7,x8,x9,x10) => f(Tuple10(x1,x2,x3,x4,x5,x6,x7,x8,x9,x10))
}
object Functions extends Functions
