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| author | Jonathan Wakely <jwakely@redhat.com> | 2017-06-07 13:35:08 +0100 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2017-06-07 13:35:08 +0100 |
| commit | 6d82c56288f1d7048a39427a827fe337c773f0f5 (patch) | |
| tree | 0f22f2af42472dd70d75cabfe787c5fde2239805 /libgcc | |
| parent | 83059741a0a58b6cccb105522bf7f07813a55c23 (diff) | |
| download | gcc-6d82c56288f1d7048a39427a827fe337c773f0f5.zip gcc-6d82c56288f1d7048a39427a827fe337c773f0f5.tar.gz gcc-6d82c56288f1d7048a39427a827fe337c773f0f5.tar.bz2 | |
Add C++17 deduction guide for std::basic_string (P0433R2, partial)
* include/bits/alloc_traits.h (__is_allocator, _RequireAllocator):
New trait and alias for detecting Allocator-like types.
* include/bits/basic_string.h (basic_string): Add deduction guide
from P0433.
* include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Add template
parameter with default template argument that causes substitution
failures for types that cannot be allocators.
* testsuite/21_strings/basic_string/cons/char/deduction.cc: New.
* testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: New.
From-SVN: r248967
Diffstat (limited to 'libgcc')
0 files changed, 0 insertions, 0 deletions