xuwei-k · June 25, 2011 06:30
diff --git a/gistfile1.scala b/gistfile1.scala
 scala> def foo(a: => String){println("foo");println(a)}
 foo: (a: => String)Unit

 scala> def bar(b:Int):String = {println("bar "+b);  ( b * 2 ).toString }
 bar: (b: Int)String

 scala> foo(bar(2))
 foo
 bar 2
 4
	scala> def foo(a: => String){println("foo");println(a)}
	foo: (a: => String)Unit

	scala> def bar(b:Int):String = {println("bar "+b); ( b * 2 ).toString }
	bar: (b: Int)String

	scala> foo(bar(2))
	foo
	bar 2
	4