File: t997.scala

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// An extractor with 2 results
object Foo { def unapply(x : String)  = Some((x, x)) }

object Test extends App {

// Prints '(x, x)'. Should compile as per SI-6111.
"x" match { case Foo(a) => Console.println(a) }

// Prints '(x,x)' as expected.
"x" match { case Foo(a, b) => Console.println((a,b)) }

// Gives confusing error 'not found: value c'.
"x" match { case Foo(a, b, c) => Console.println((a,b,c)) }

}