From Jason Turner

[char.traits.specializations.wchar.t]

C++14 → C++17 2.4 KB 26 lines
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Archived: C++14 | C++17
Markdown: C++14 | C++17
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  1. tmp/tmpccmi2ghg/{from.md → to.md} +11 -11
tmp/tmpccmi2ghg/{from.md → to.md} RENAMED
@@ -1,23 +1,23 @@
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  #### `struct char_traits<wchar_t>` <a id="char.traits.specializations.wchar.t">[[char.traits.specializations.wchar.t]]</a>
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  ``` cpp
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  namespace std {
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  template<> struct char_traits<wchar_t> {
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- typedef wchar_t char_type;
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- typedef wint_t int_type;
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- typedef streamoff off_type;
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- typedef wstreampos pos_type;
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- typedef mbstate_t state_type;
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- static void assign(char_type& c1, const char_type& c2) noexcept;
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  static constexpr bool eq(char_type c1, char_type c2) noexcept;
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  static constexpr bool lt(char_type c1, char_type c2) noexcept;
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- static int compare(const char_type* s1, const char_type* s2, size_t n);
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- static size_t length(const char_type* s);
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- static const char_type* find(const char_type* s, size_t n,
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  const char_type& a);
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  static char_type* move(char_type* s1, const char_type* s2, size_t n);
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  static char_type* copy(char_type* s1, const char_type* s2, size_t n);
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  static char_type* assign(char_type* s, size_t n, char_type a);
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@@ -32,12 +32,12 @@ namespace std {
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  The defined types for `int_type`, `pos_type`, and `state_type` shall be
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  `wint_t`, `wstreampos`, and `mbstate_t` respectively.
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  The type `wstreampos` shall be an *implementation-defined* type that
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- satisfies the requirements for pos_type in  [[iostreams.limits.pos]] and
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- [[iostream.forward]].
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  The type `mbstate_t` is defined in `<cwchar>` and can represent any of
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  the conversion states that can occur in an *implementation-defined* set
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  of supported multibyte character encoding rules.
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  #### `struct char_traits<wchar_t>` <a id="char.traits.specializations.wchar.t">[[char.traits.specializations.wchar.t]]</a>
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  ``` cpp
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  namespace std {
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  template<> struct char_traits<wchar_t> {
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+ using char_type = wchar_t;
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+ using int_type = wint_t;
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+ using off_type = streamoff;
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+ using pos_type = wstreampos;
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+ using state_type = mbstate_t;
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+ static constexpr void assign(char_type& c1, const char_type& c2) noexcept;
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  static constexpr bool eq(char_type c1, char_type c2) noexcept;
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  static constexpr bool lt(char_type c1, char_type c2) noexcept;
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+ static constexpr int compare(const char_type* s1, const char_type* s2, size_t n);
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+ static constexpr size_t length(const char_type* s);
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+ static constexpr const char_type* find(const char_type* s, size_t n,
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  const char_type& a);
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  static char_type* move(char_type* s1, const char_type* s2, size_t n);
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  static char_type* copy(char_type* s1, const char_type* s2, size_t n);
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  static char_type* assign(char_type* s, size_t n, char_type a);
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  The defined types for `int_type`, `pos_type`, and `state_type` shall be
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  `wint_t`, `wstreampos`, and `mbstate_t` respectively.
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  The type `wstreampos` shall be an *implementation-defined* type that
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+ satisfies the requirements for `pos_type` in  [[iostreams.limits.pos]]
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+ and [[iostream.forward]].
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  The type `mbstate_t` is defined in `<cwchar>` and can represent any of
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  the conversion states that can occur in an *implementation-defined* set
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  of supported multibyte character encoding rules.
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