24 lines
900 B
Markdown
24 lines
900 B
Markdown
[basic.string.hash]
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# 27 Strings library [[strings]](./#strings)
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## 27.4 String classes [[string.classes]](string.classes#basic.string.hash)
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### 27.4.6 Hash support [basic.string.hash]
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[ð](#lib:hash,basic_string)
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`template<class A> struct hash<basic_string<char, char_traits<char>, A>>;
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template<class A> struct hash<basic_string<char8_t, char_traits<char8_t>, A>>;
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template<class A> struct hash<basic_string<char16_t, char_traits<char16_t>, A>>;
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template<class A> struct hash<basic_string<char32_t, char_traits<char32_t>, A>>;
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template<class A> struct hash<basic_string<wchar_t, char_traits<wchar_t>, A>>;
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/strings.tex#L5392)
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If S is one of these string types,SV is the corresponding string view type, ands is an object of type S,
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then hash<S>()(s) == hash<SV>()(SV(s))[.](#1.sentence-1)
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