[PATCH 3/3] libstdc++: Implement C++20 range adaptors

[Jonathan Wakely]

On 17/02/20 23:07 +0100, Stephan Bergmann wrote:
>On 04/02/2020 03:07, Patrick Palka wrote:
>>This patch implements [range.adaptors].  It also includes the changes from P3280
>>and P3278 and P3323, without which many standard examples won't work.
>
>I see that with this <https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;a=commit;h=cba9ef069e58eac00f30489d3ef21390caee6e45> 
>"libstdc++: Implement C++20 range adaptors", compiling <ranges> with 
>recent Clang trunk (which appears to mostly implement C++20 concepts 
>now)

[snip]

Thanks, I've been meaning to find out how well Clang trunk deals with
our code using concepts.