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
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backward	Update copyright years.	2016-01-04 15:30:50 +01:00
bits	Fix std::vector's use of temporary objects	2016-07-04 15:52:46 +01:00
c	Update copyright years.	2016-01-04 15:30:50 +01:00
c_compatibility	Don't define guard macros when doing #include_next in math.h and stdlib.h	2016-02-01 11:13:40 +00:00
c_global	re PR libstdc++/69881 (with gcc-6 of today building gcc-4.9 fails)	2016-02-23 15:57:09 +00:00
c_std	Update copyright years.	2016-01-04 15:30:50 +01:00
debug	array (array<>::swap): Fix noexcept qualificaton for zero-size array.	2016-06-23 20:21:47 +00:00
decimal	Update copyright years.	2016-01-04 15:30:50 +01:00
experimental	Implement LWG 2451, optional<T> should 'forward' T's implicit conversions.	2016-07-06 16:26:10 +03:00
ext	Avoid -Wsign-compare warnings in std::to_string()	2016-04-18 16:43:50 +01:00
parallel	Update copyright years.	2016-01-04 15:30:50 +01:00
precompiled	Implement TR29124 C++ special Math Functions.	2016-01-14 18:12:43 +00:00
profile	Update copyright years.	2016-01-04 15:30:50 +01:00
std	Provide swappable traits (p0185r1)	2016-06-16 16:07:19 +01:00
tr1	re PR libstdc++/71181 (Reserving in unordered_map doesn't reserve enough)	2016-06-20 20:04:25 +00:00
tr2	Update copyright years.	2016-01-04 15:30:50 +01:00
Makefile.am	Makefile.am (install-freestanding-headers): Add concept_check.h and move.h to the installed headers.	2016-03-23 00:41:52 +00:00
Makefile.in	Makefile.am (install-freestanding-headers): Add concept_check.h and move.h to the installed headers.	2016-03-23 00:41:52 +00:00