[PATCH] [libc++] Check the support of default function template args.

[Howard Hinnant]

Hi Logan,

Could you comment on the motivation for using g++ + libc++.  I.e., why use libc++ instead of the libstdc++ that comes bundled with g++?

Thanks,
Howard

On Dec 26, 2013, at 11:08 AM, Logan Chien <tzuhsiang.chien at gmail.com> wrote:

> Ping.
> 
> 
> On Fri, Dec 20, 2013 at 10:53 PM, Logan Chien <tzuhsiang.chien at gmail.com> wrote:
> Ping.  Any further comments?
> 
> This patch tries to reduce the usage of the default function template arguments, which is not supported in pre-C++0x.  Without this change, we will get compilation error from g++ if we tries to include libc++ headers in pre-C++0x mode.
> 
> To remove the usage of default function template arguments, the patch moves the enable_if<> to return type or the function argument types.  This pattern is used in the other code of libc++ as well.
> 
> Please let me know if you have any comments.  Thanks.
> 
> Sincerely,
> Logan
> 
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