@ctfeonly
Joakim
dlang at joakim.fea.st
Sat Dec 9 02:13:51 UTC 2017
On Thursday, 7 December 2017 at 01:21:11 UTC, Nicholas Wilson
wrote:
> I'd like to add an attribute to indicate that the annotated
> function is only available at compile time so that in cases
> where the operation is invalid at runtime (strings and
> concatenation on a GPU for instance) but the result is only
> used at compile time (for a mixin) the compiler is free to not
> codegen that function.
>
> I can add this to LDC pretty easily, but does anyone else have
> a use for this (e.g. shrinking binary sizes for mixin heavy
> codebases) and would benefit having this as a standard thing?
This doesn't fulfill everything you're looking for, ie no
compile-time error if tried to use at runtime, but isn't this
existing idiom good enough?
https://github.com/dlang/phobos/blob/master/std/functional.d#L307
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