syntax: "!= null" works like a "isa"
authorJean Privat <jean@pryen.org>
Tue, 23 Jun 2009 17:48:46 +0000 (13:48 -0400)
committerJean Privat <jean@pryen.org>
Wed, 24 Jun 2009 20:01:53 +0000 (16:01 -0400)
commita3689f0e0abaeec639626f9e2ef60d3fbfe58980
treea62e85202d52256867b09c9445c7094751a806cd
parentd4fae2303940c9f0a1139e66ada795c937b629b0
syntax: "!= null" works like a "isa"

Signed-off-by: Jean Privat <jean@pryen.org>
src/syntax/typing.nit