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Ville Voutilainen 6ffe854859 Implement LWG 2451, optional<T> should 'forward' T's implicit conversions. 
Implement LWG 2451, optional<T> should 'forward' T's
	implicit conversions.
	* include/experimental/optional (__is_optional_impl, __is_optional):
	New.
	(optional()): Make constexpr and default.
	(optional(_Up&&), optional(const optional<_Up>&),
	optional(optional<_Up>&& __t): New.
	(operator=(_Up&&)): Constrain.
	(operator=(const optional<_Up>&), operator=(optional<_Up>&&)): New.
	* testsuite/experimental/optional/cons/value.cc:
	Add tests for the functionality added by LWG 2451.
	* testsuite/experimental/optional/cons/value_neg.cc: New.

From-SVN: r238049
2016-07-06 16:26:10 +03:00
..
config Remove trailing whitespace from libstdc++-v3 files 2016-04-29 17:11:43 +01:00
doc backwards_compatibility.xml: Adjust lists.debian.org link to https. 2016-05-29 08:03:35 +00:00
include Implement LWG 2451, optional<T> should 'forward' T's implicit conversions. 2016-07-06 16:26:10 +03:00
libsupc++ libstdc++/69945 Add __gnu_cxx::__freeres hook 2016-03-24 18:13:40 +00:00
po Update copyright years. 2016-01-04 15:30:50 +01:00
python Update copyright years. 2016-01-04 15:30:50 +01:00
scripts Update copyright years. 2016-01-04 15:30:50 +01:00
src re PR libstdc++/71313 ([Filesystem TS] remove_all fails to remove directory contents recursively) 2016-07-04 15:52:49 +03:00
testsuite Implement LWG 2451, optional<T> should 'forward' T's implicit conversions. 2016-07-06 16:26:10 +03:00
acinclude.m4 Fix configure test for sendfile() 2016-05-25 17:13:52 +01:00
aclocal.m4 libstdc++: Bump to automake 1.11.6 2015-05-13 10:51:03 +00:00
ChangeLog Implement LWG 2451, optional<T> should 'forward' T's implicit conversions. 2016-07-06 16:26:10 +03:00
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ChangeLog-2015 Update copyright years. 2016-01-04 15:30:50 +01:00
config.h.in Fix configure test for sendfile() 2016-05-25 17:13:52 +01:00
configure remove knetbsd support 2016-06-21 21:57:30 +00:00
configure.ac libstdc++: Make certain exceptions transaction_safe. 2016-01-15 22:42:41 +00:00
configure.host remove mep-* support 2016-06-21 21:57:49 +00:00
crossconfig.m4 remove knetbsd support 2016-06-21 21:57:30 +00:00
fragment.am libstdc++-v3/fragment.am (AM_CPPFLAGS): Add CPPFLAGS 2015-07-24 07:05:19 +00:00
linkage.m4
Makefile.am Update copyright years. 2016-01-04 15:30:50 +01:00
Makefile.in libstdc++-v3/fragment.am (AM_CPPFLAGS): Add CPPFLAGS 2015-07-24 07:05:19 +00:00
README

README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.