Non compile time evaluation for initializers

[Lutger]

Max Samukha wrote:
> On Fri, 26 Oct 2007 10:52:25 +0200, Lutger
> <lutger.blijdestijn at gmail.com> wrote:
> 
>> Lutger wrote:
>>> Janice Caron wrote:
>> ...
>>> Suppose this is implemented, then how can you achieve constant folding 
>>> with CTFE in initializers? Since it is not a compile time context 
>>> anymore, all functions that substitue y will be evaluated at runtime.
>> Nevermind, I responded too soon and overlooked the proviso that it's 
>> only rewritten when it doesn't compile, sorry.
> 
> Then if a compile time function is messed up in a way that makes it
> unevaluatable at compile time, it would be silently used at run-time,
> which is not desired?

Hmm yes, it's still an issue. Some functions are quite inefficient for 
example if they are made to be evaluated at compile time, which doesn't 
matter in that context but does for the runtime case.