[Issue 14802] Template argument deduction depends on order of arguments
via Digitalmars-d-bugs
digitalmars-d-bugs at puremagic.com
Thu Jul 16 22:11:14 PDT 2015
https://issues.dlang.org/show_bug.cgi?id=14802
--- Comment #6 from Kenji Hara <k.hara.pg at gmail.com> ---
(In reply to Steven Schveighoffer from comment #4)
> However, I'll note that in other cases, the compiler prefers one over the
> other:
>
> // both double[]
> auto arr = [1.0, 1.0f];
> auto arr2 = [1.0f, 1.0];
>
> // both double
> auto x = true ? 1.0 : 1.0f;
> auto x2 = true ? 1.0f : 1.0;
>
> same for uint vs. int
Yes, that's what I imagine. The type T deduction in:
void f(T)(T x, T y) {}
void main() { f(1.0, 1.0f); }
should be equivalent with:
alias T = typeof(true ? 1.0 : 1.0f);
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