On 03/07/2012 05:29 PM, Simen Kjærås wrote:
On Wed, 07 Mar 2012 01:41:22 +0100, Jonathan M Davis
<jmdavisp...@gmx.com> wrote:
It really takes very little for something to be impure, and optimizations
often do it, because they end up using low-level constructs which
aren't pure
- some of which could be but aren't and others which probably can't be.
Just so this is clear - no optimization of the compiler is going to change
the purity of a function. An optimization on the part of the programmer
(like using appender) might, though.
Appender must become pure.
