March 07, 2012 Re: Extend vector ops to boolean operators? | ||||
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Posted in reply to Simen Kjærås | On 03/06/2012 10:10 PM, Simen Kjærås wrote: > On Tue, 06 Mar 2012 21:35:11 +0100, Timon Gehr <timon.gehr@gmx.ch> wrote: > >> On 03/06/2012 09:30 PM, H. S. Teoh wrote: >>> It'd be really cool if I could do this: >>> >>> void func(int[] vector, int[] bounds) { >>> assert(vector[]>= 0&& vector[]< bounds[]); >>> ... >>> } >>> >>> Is there any reason why we shouldn't implement this? >>> >>> >>> T >>> >> >> Comparing arrays already does lexical-style comparison (which makes >> sense). > > Comparing two arrays makes sense, absolutely. Comparing one T[] and > one T currently does not. Also, foo[] already changes the behavior of > operators on foo, No, it does not change their behavior, it is just required to allow them. Array slices have value semantics, and foo[] is currently shorthand for foo[0..$]. > making it do a per-element compare would be in line > with this pattern. > Making array slicing change the behavior of some operator wouldn't have any precedent. > This is also already in bugzilla: > http://d.puremagic.com/issues/show_bug.cgi?id=5636 |
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