diff options
| author | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-17 01:24:37 +0000 |
|---|---|---|
| committer | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-17 01:24:37 +0000 |
| commit | 12eb80e3e611445be20f3197a1365c4bfa5609b8 (patch) | |
| tree | 6de2ec713ac4218c2b5da837f86a5c1ff8bae243 /libstdc++-v3/include | |
| parent | b455b8b87d29c4885c9383773a5240d11053531e (diff) | |
| download | gcc-12eb80e3e611445be20f3197a1365c4bfa5609b8.tar.gz | |
2011-02-16 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/47773
* include/ext/vstring.h (hash<__gnu_cxx::__vstring>,
hash<__gnu_cxx::__wvstring>, hash<__gnu_cxx::__u16vstring>,
hash<__gnu_cxx::__u32vstring>): Add.
* testsuite/ext/vstring/hash/char/1.cc: New.
* testsuite/ext/vstring/hash/wchar_t/1.cc: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@170235 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/include')
| -rw-r--r-- | libstdc++-v3/include/ext/vstring.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libstdc++-v3/include/ext/vstring.h b/libstdc++-v3/include/ext/vstring.h index 46959787c2d..6e43e2b0818 100644 --- a/libstdc++-v3/include/ext/vstring.h +++ b/libstdc++-v3/include/ext/vstring.h @@ -2731,6 +2731,66 @@ _GLIBCXX_END_NAMESPACE_VERSION #endif +#ifdef __GXX_EXPERIMENTAL_CXX0X__ + +#include <bits/functional_hash.h> + +namespace std _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + /// std::hash specialization for __vstring. + template<> + struct hash<__gnu_cxx::__vstring> + : public __hash_base<size_t, __gnu_cxx::__vstring> + { + size_t + operator()(const __gnu_cxx::__vstring& __s) const + { return std::_Hash_impl::hash(__s.data(), __s.length()); } + }; + +#ifdef _GLIBCXX_USE_WCHAR_T + /// std::hash specialization for __wvstring. + template<> + struct hash<__gnu_cxx::__wvstring> + : public __hash_base<size_t, __gnu_cxx::__wvstring> + { + size_t + operator()(const __gnu_cxx::__wvstring& __s) const + { return std::_Hash_impl::hash(__s.data(), + __s.length() * sizeof(wchar_t)); } + }; +#endif + +#ifdef _GLIBCXX_USE_C99_STDINT_TR1 + /// std::hash specialization for __u16vstring. + template<> + struct hash<__gnu_cxx::__u16vstring> + : public __hash_base<size_t, __gnu_cxx::__u16vstring> + { + size_t + operator()(const __gnu_cxx::__u16vstring& __s) const + { return std::_Hash_impl::hash(__s.data(), + __s.length() * sizeof(char16_t)); } + }; + + /// std::hash specialization for __u32vstring. + template<> + struct hash<__gnu_cxx::__u32vstring> + : public __hash_base<size_t, __gnu_cxx::__u32vstring> + { + size_t + operator()(const __gnu_cxx::__u32vstring& __s) const + { return std::_Hash_impl::hash(__s.data(), + __s.length() * sizeof(char32_t)); } + }; +#endif + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +#endif /* __GXX_EXPERIMENTAL_CXX0X__ */ + #include "vstring.tcc" #endif /* _VSTRING_H */ |