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Re: [libstdc++ PATCH] Implement observer_ptr

On 01/05/15 22:02 -0400, Ed Smith-Rowland wrote:

On 05/01/2015 05:01 PM, Jonathan Wakely wrote:

On 01/05/15 16:37 +0300, Ville Voutilainen wrote:

Tested on Linux-x64.

  Implement observer_ptr.


Thanks! Committed with some minor formatting changes.

I've also committed this to add feature-test macros and update the
docs. Tested powerpc64le-linux, committed to trunk.
I pretty sure we're supposed to add the macro for *all* the headers that got enable_if. 

That's not how I read the Fundamentals TS:

 Programmers who wish to determine whether a feature is available in
 an implementation should base that determination on the presence of
 the header (determined with __has_include(<header/name>)) and the
 state of the macro with the recommended name.

And the header for erase_if is listed as <experimental/vector>.
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