Merge branch 'cleanup/deprecate-is-callable-invokable' into 'master'
Cleanup/deprecate Dune::Std::is_callable is_invocable
See merge request !969 (merged)
(cherry picked from commit 57b1eb2e)
ddbe19c3 [typetraits] Depcrecate Std::is_invocable/is_callable. Use C++17 std::is_invocable instead 7666b559 [typetraits] Implement Dune::IsCallable d1568594 [cleanup][overloadset] Remove outdated version check and comments on compilers... 73cdb120 [cleanup][overloadset] Use Dune::IsCallable to replace Dune::Std::is_callable 4cb8bb37 Add doxygen deprecation comment