r278256 - in /trunk/libstdc++-v3: ChangeLog inc...

Thu Nov 14 16:53:00 GMT 2019

Author: redi
Date: Thu Nov 14 16:53:18 2019
New Revision: 278256

URL: https://gcc.gnu.org/viewcvs?rev=278256&root=gcc&view=rev
Log:
libstdc++: Implement new predicate concepts from P1716R3

	* include/bits/iterator_concepts.h (__iter_concept_impl): Add
	comments.
	(indirect_relation): Rename to indirect_binary_predicate and adjust
	definition as per P1716R3.
	(indirect_equivalence_relation): Define.
	(indirectly_comparable): Adjust definition.
	* include/std/concepts (equivalence_relation): Define.
	* testsuite/std/concepts/concepts.callable/relation.cc: Add tests for
	equivalence_relation.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/iterator_concepts.h
    trunk/libstdc++-v3/include/std/concepts
    trunk/libstdc++-v3/testsuite/std/concepts/concepts.callable/relation.cc