Changeing return type of struct.toString()

[Robert Jacques]

On Sun, 12 Feb 2012 12:36:47 -0600, Benjamin Thaut <code at benjamin-thaut.de> wrote:
> I'm currently trying to use D without a gc and didn't have major
> problems so far. A minor issues is that struct.toString() returns a
> string and this will almost allways leak memory when this is called.
> The question now is, can I change the return type of struct.toString()
> somewhere inside druntime or is it hardcoded in the compiler?
>
> It was possible without any problems to change the return type of
> Object.toString() and therefore every class in D because Object is the
> baseclass for every class. Is there something similar for structs?
>
> Kind Regards
> Benjamin Thaut
>

The primary users of toString() methods (struct or otherwise) are in std.format and std.conv, IIRC. I'd imagine that you'd be able to catch most uses via a correctly placed static assert.