Re: Re: the ultimate scala cheat sheet

As an astute observer points out it _does_ in fact throw a match error.

I had forgotten that the REPL is what doesn't even bother evaluating the match if there are no variables returned.

Sorry for the misinformation.  It's just a full-blown regular match (but the REPL is too clever).

  --Rex

On Tue, Dec 27, 2011 at 8:37 PM, Martin McNulty <martin@mcnulty.me.uk> wrote:

2011/12/26 Rex Kerr <ichoran@gmail.com>

However, when there are no variables to match, Scala accepts the match syntax _but doesn't check the values_, so

  val (1,2) = (1,3)

and even

  val 1 = 2

silently do nothing instead of throwing a MatchError.  

I was curious so I tried it but, at least in 2.9.0.1, it seems to throw a MatchError.  Am I missing something?