typedef, implicit cast, bug or feature?
Thomas Kuehne
thomas-dloop at kuehne.cn
Thu Sep 14 00:23:39 PDT 2006
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Anders Runesson schrieb am 2006-07-16:
> I'm not sure if this is me missing something, or if it's a bug:
>
> ********
> import std.stdio;
>
> class BaseClass {
> int BaseProp() { return 1; }
> }
>
> typedef BaseClass ClassTypedef;
>
> void testfunc(ClassTypedef t) { writefln(t.BaseProp()); }
> *************
>
> this gives the compiler message:
>
> test.d(9): this for BaseProp needs to be type BaseClass not type
> ClassTypedef
>
> The docs say that typedefs can be implicitly cast to their underlying
> type, so why can't t be used as a BaseClass reference? Seems like a bug
> to me.
> /Anders
Added to DStress as
http://dstress.kuehne.cn/run/t/typedef_19_A.d
http://dstress.kuehne.cn/run/t/typedef_19_B.d
http://dstress.kuehne.cn/run/t/typedef_19_C.d
http://dstress.kuehne.cn/run/t/typedef_19_D.d
Thomas
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