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
..
algorithm
any	Implement LWG 2509,	2016-07-05 21:33:18 +03:00
array
chrono
deque
filesystem	re PR libstdc++/71313 ([Filesystem TS] remove_all fails to remove directory contents recursively)	2016-07-04 15:52:49 +03:00
forward_list
functional
iterator
list
map
memory
memory_resource	re PR libstdc++/71081 (experimental/memory_resource/1.cc run for targets without atomics)	2016-05-20 12:36:57 +00:00
numeric
optional	Implement LWG 2451, optional<T> should 'forward' T's implicit conversions.	2016-07-06 16:26:10 +03:00
propagate_const
random
ratio
set
string
string_view
system_error
tuple
type_erased_allocator
type_traits
unordered_map
unordered_set
vector
feat-cxx14.cc
feat-lib-fund.cc