Behaviour of alias this changed

[Ali Çehreli]

On 05/08/2012 10:11 AM, H. S. Teoh wrote:
> I have some code along these lines:
>
> 	struct S {
> 		short[4] data;
> 		alias this data;
>
> 		string toString() { ... }
> 	}
> 	...
> 	S s;
> 	writeln(to!string(s));
>
> In dmd 2.059 (I believe) and earlier, this calls S.toString(). However,
> in git dmd, this calls data.toString() instead.
>
> I'm just curious about the rationale for this change, and whether
> there's a way to override the toString() call so that it always calls
> S.toString()?
>
>
> T
>

Just a guess: It could be related to const-correctness improvements. Try 
defining S.toString() as const.

Ali

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