[Issue 12448] "in" argument for std.string.toStringz

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12448

--- Comment #5 from bearophile_hugs at eml.cc ---
(In reply to Robert Schadek from comment #4)
> your're properly right.
> 
> do you want to create the PR or should I?

I think reopening this issue could be enough.

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