Mercurial > projects > ldc
view tests/mini/classes9.d @ 1166:c6f39553b702
Clean up some suspicious code.
There's no guarantee a constant of integer type is a ConstantInt, so it's not
safe to just cast<> these to ConstantInt. (It could be a constant expression,
for example)
The code is shorter this way too :).
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Sun, 29 Mar 2009 03:27:04 +0200 |
parents | 1bb99290e03a |
children |
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module classes9; class C { } class D : C { } class E { } class F : E { } void main() { { D d = new D; { C c = d; assert(c !is null); D d2 = cast(D)c; assert(d2 !is null); E e = cast(E)d; assert(e is null); F f = cast(F)d; assert(f is null); } } { F f = new F; { E e = f; assert(e !is null); F f2 = cast(F)e; assert(f2 !is null); C c = cast(C)f; assert(c is null); D d2 = cast(D)f; assert(d2 is null); } } }