File: t0438.scala

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scala 2.7.7.dfsg-4
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class Foo {
  implicit def pair2fun2[A, B, C](f: (A, B) => C) = 
     {p: (A, B) => f(p._1, p._2) }

  def foo(f: ((Int, Int)) => Int) = f
  def bar(x: Int, y: Int) = x + y 

  foo({ (x: Int, y: Int) => x + y }) // works
  foo(pair2fun2(bar _)) // works
  foo(bar _) // error
  foo(bar)   // same error
}