Walter: > On 4/28/2011 11:44 AM, Jens Mueller wrote: > > Thanks. So if a compiler can assume that pointers do not alias it can > > generate much better code. What's D's standpoint on that matter then? > > C99 has restrict. I never came across something similar in D. > > Const and immutable.
I don't understand. "restrict" means "this pointer has no alias". So how is const/immutable helping foo being optimized assuming a.ptr and b.ptr are distinct? void foo(const float[] a, const float b[]) {} void main() { const float[] a = [1.5, 2.5]; foo(a, a); } Bye, bearophile