[Patch] Implementation of n3793 <experimental/optional>

[Paolo Carlini]

Hi,

On 11/05/2013 04:51 PM, Jonathan Wakely wrote:
> On 3 November 2013 11:30, Paolo Carlini wrote:
>> On 11/03/2013 12:19 PM, Jonathan Wakely wrote:
>>> Yes, Paolo pointed out these are failing on 32-bit targets, I've got a
>>> patch coming. Luc is there any reason not to just replace all those large
>>> constants with 0x1234ABCD, which fits in a long on 32-bit targets?
>> By the way, that's what I did/hacked in my local tree ;)
> I needed some other changes, otherwise comparing optional<long>{} ==
> 0x1234ABCD doesn't compile, because 0x1234ABCD is an int and
> optional<T> doesn't support comparisons with anything except T.
Yeah, I also had L suffixes.
>> Jon, I have got a bunch of other minor tweaks, from proper formatting of
>> conditional operator and some curly braces, to using __and_ and __not_ when
>> possible, and other thingies, like no full stops at the end of asserts and
>> throws. Passes testing. You may want to integrate it with your other changes
>> in testing... Or I can wait and apply it myself.
> Here's the combined patch, tested x86_64-linux, 64-bit and 32-bit,
Thanks!

Paolo.