r239590 - in /trunk/libstdc++-v3: ChangeLog inc...

[timshen@gcc.gnu.org]

Author: timshen
Date: Thu Aug 18 20:31:26 2016
New Revision: 239590

URL: https://gcc.gnu.org/viewcvs?rev=239590&root=gcc&view=rev
Log:
	Implement <variant>

	* include/Makefile.am: Add new file std/variant.
	* include/Makefile.in: Generated from Makefile.am.
	* include/bits/enable_special_members.h: Add a tag type to allow
	the construction in non-default constructor.
	* include/bits/uses_allocator.h: Add convenience traits to
	detect constructibility.
	* include/std/variant: Implement <variant>.
	* testsuite/20_util/variant/compile.cc: Compile-time tests.
	* testsuite/20_util/variant/run.cc: Runtime tests.

Added:
    trunk/libstdc++-v3/include/std/variant
    trunk/libstdc++-v3/testsuite/20_util/variant/
    trunk/libstdc++-v3/testsuite/20_util/variant/compile.cc
    trunk/libstdc++-v3/testsuite/20_util/variant/run.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/Makefile.am
    trunk/libstdc++-v3/include/Makefile.in
    trunk/libstdc++-v3/include/bits/enable_special_members.h
    trunk/libstdc++-v3/include/bits/uses_allocator.h