On Tue, Jun 2, 2015 at 1:23 PM, L. David Baron <dba...@dbaron.org> wrote:
> On Tuesday 2015-06-02 22:58 +0300, smaug wrote: > > So, I'd like to understand why people think 'auto' is a good thing to > use. > > (bz mentioned it having some use inside bindings' codegenerator, and > sure, I can see that being rather > > valid case.) > > One context where I think it often makes sense is for integral > types, e.g., for things like: > > auto len = aArray.Length(); > auto display = GetStyleDisplay()->mDisplay; > > It can save having to look up whether aArray.Length() returns size_t > (I sure hope it does, though) or whether mDisplay is uint8_t or > uint16_t. It also makes a lot of sense in situations where the type name is noise. e.g. auto foo = reinterpret_cast<ReallyLongTypeName*>(bar) auto it = map.find(stuff) - Kyle _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
