[Issue 3209] Please allow pure functions with input known at compile time to be executed at compile time

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3209


Stewart Gordon <smjg at iname.com> changed:

           What    |Removed                     |Added
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                 CC|                            |smjg at iname.com




--- Comment #1 from Stewart Gordon <smjg at iname.com>  2009-07-26 16:24:12 PDT ---
Please don't set a bug to invalid without giving a reason.  I nearly reopened
it pending an explanation, but then realised why this shouldn't work.

isEmptyString won't always be evaluated at compile-time, hence it's an attempt
at a static if on a non-CTC expression.

That said, the compiler output is slightly bloated, but that's another matter:
----------
bz3209.d(2): Error: expression str == "" is not constant or does not evaluate
to a bool
bz3209.d(8): Error: cannot evaluate isEmptyString("") at compile time
bz3209.d(8): Error: expression isEmptyString("") is not constant or does not
evaluate to a bool

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