inferring Unit

I think the question is: Does the blank following Foo constitute an empty expression, which would evaluate to Unit and thereby be able to trigger the implicit, or is the blank just a blank and mean there is no expression?

On Sun, Feb 22, 2009 at 7:25 PM, Paul Phillips <paulp@improving.org> wrote:

This is relevant to how to fix a bug I'm looking at.  Is this behavior correct? It seems wrong to me.  I would
think new Foo with no parameters should be an error, not interpreted as passing Unit.

$ scala273
Welcome to Scala version 2.7.3.final (Java HotSpot(TM) Client VM, Java 1.5.0_16).
Type in expressions to have them evaluated.
Type :help for more information.

scala> implicit def u2i(x: Unit): Int = 55
u2i: (Unit)Int

scala> class Foo(val x: Int)
defined class Foo

scala> val y = new Foo
y: Foo = Foo@a6bcec

scala> y.x
res0: Int = 55

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