r225242 - in /trunk/libstdc++-v3: ChangeLog doc...

[redi@gcc.gnu.org]

Author: redi
Date: Wed Jul  1 12:23:54 2015
New Revision: 225242

URL: https://gcc.gnu.org/viewcvs?rev=225242&root=gcc&view=rev
Log:
Implement N4502, the C++ Detection Idiom.

	* doc/xml/manual/status_cxx2017.xml: Update status table.
	* include/experimental/type_traits (void_t, is_detected,
	is_detected_v, detected_t, detected_or, detected_or_t,
	is_detected_exact, is_detected_exact_v, is_detected_convertible,
	is_detected_convertible_v): Define.
	* include/std/type_traits (__detector, __detected_or, __detected_or_t,
	__detected_or_t_): Define.
	* testsuite/experimental/type_traits/detection.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/experimental/type_traits/detection.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/doc/xml/manual/status_cxx2017.xml
    trunk/libstdc++-v3/include/experimental/type_traits
    trunk/libstdc++-v3/include/std/type_traits