From Jason Turner

[string.syn]

C++20 → C++23 1.9 KB 21 lines
Current Draft | LaTeX Source
Archived: C++20 | C++23
Markdown: C++20 | C++23
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  1. tmp/tmp8kwn4whp/{from.md → to.md} +6 -11
tmp/tmp8kwn4whp/{from.md → to.md} RENAMED
@@ -122,11 +122,11 @@ namespace std {
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  erase(basic_string<charT, traits, Allocator>& c, const U& value);
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  template<class charT, class traits, class Allocator, class Predicate>
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  constexpr typename basic_string<charT, traits, Allocator>::size_type
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  erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred);
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- // basic_string typedef names
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  using string = basic_string<char>;
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  using u8string = basic_string<char8_t>;
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  using u16string = basic_string<char16_t>;
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  using u32string = basic_string<char32_t>;
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  using wstring = basic_string<wchar_t>;
@@ -179,20 +179,15 @@ namespace std {
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  using wstring = basic_string<wchar_t>;
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  }
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  // [basic.string.hash], hash support
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  template<class T> struct hash;
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- template<> struct hash<string>;
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- template<> struct hash<u8string>;
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- template<> struct hash<u16string>;
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- template<> struct hash<u32string>;
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- template<> struct hash<wstring>;
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- template<> struct hash<pmr::string>;
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- template<> struct hash<pmr::u8string>;
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- template<> struct hash<pmr::u16string>;
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- template<> struct hash<pmr::u32string>;
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- template<> struct hash<pmr::wstring>;
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  inline namespace literals {
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  inline namespace string_literals {
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  // [basic.string.literals], suffix for basic_string literals
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  constexpr string operator""s(const char* str, size_t len);
 
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  erase(basic_string<charT, traits, Allocator>& c, const U& value);
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  template<class charT, class traits, class Allocator, class Predicate>
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  constexpr typename basic_string<charT, traits, Allocator>::size_type
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  erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred);
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+ // basic_string typedef-names
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  using string = basic_string<char>;
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  using u8string = basic_string<char8_t>;
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  using u16string = basic_string<char16_t>;
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  using u32string = basic_string<char32_t>;
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  using wstring = basic_string<wchar_t>;
 
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  using wstring = basic_string<wchar_t>;
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  }
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  // [basic.string.hash], hash support
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  template<class T> struct hash;
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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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  inline namespace literals {
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  inline namespace string_literals {
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  // [basic.string.literals], suffix for basic_string literals
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  constexpr string operator""s(const char* str, size_t len);