On 23/10/19 20:28 +0100, Jonathan Wakely wrote:
* include/std/functional (invoke): Add constexpr for C++20. * include/std/version (__cpp_lib_constexpr_invoke): Define. * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.This is an easy one, because I already made std::__invoke constexpr, so all that's needed for C++20 is to add _GLIBCXX20_CONSTEXPR to the public std::invoke function that calls std::__invoke.
For some reason I thought this change only affected std::invokee, but P1065R2 affects other functions too. I'll fix those tomorrow.
