http://d.puremagic.com/issues/show_bug.cgi?id=11188
--- Comment #2 from Joseph Rushton Wakeling <joseph.wakel...@webdrake.net>
2013-10-10 11:23:53 PDT ---
(In reply to comment #1)
> Does std.math.abs even work for anything other than built-in types currently?
> I
> know it should, but I'm skeptical if it does.
It works for regular BigInt, it's just when you qualify that with shared, const
or immutable that it fails.
> In any case, it should take inout arguments since it doesn't (and shouldn't)
> modify them. So this (in theory) should work:
>
> inout(Num) abs(Num)(inout(Num) x) if ( ... ) {
> return (x >= 0) ? x : -x;
> }
I'll give that a go and if it works, send a patch to Phobos. Thanks for the
thought. Incidentally, shouldn't "in" be sufficient there for the input?
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