tmp/tmpae71ssvm/{from.md → to.md}
RENAMED
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| 1 |
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##### General <a id="facet.ctype.special.general">[[facet.ctype.special.general]]</a>
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``` cpp
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namespace std {
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template<>
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class ctype<char> : public locale::facet, public ctype_base {
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public:
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using char_type = char;
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explicit ctype(const mask* tab = nullptr, bool del = false, size_t refs = 0);
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bool is(mask m, char c) const;
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const char* is(const char* low, const char* high, mask* vec) const;
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const char* scan_is (mask m, const char* low, const char* high) const;
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const char* scan_not(mask m, const char* low, const char* high) const;
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char toupper(char c) const;
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const char* toupper(char* low, const char* high) const;
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char tolower(char c) const;
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const char* tolower(char* low, const char* high) const;
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char widen(char c) const;
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const char* widen(const char* low, const char* high, char* to) const;
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char narrow(char c, char dfault) const;
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const char* narrow(const char* low, const char* high, char dfault, char* to) const;
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static locale::id id;
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static const size_t table_size = implementation-defined;
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const mask* table() const noexcept;
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static const mask* classic_table() noexcept;
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protected:
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~ctype();
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virtual char do_toupper(char c) const;
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virtual const char* do_toupper(char* low, const char* high) const;
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virtual char do_tolower(char c) const;
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virtual const char* do_tolower(char* low, const char* high) const;
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virtual char do_widen(char c) const;
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virtual const char* do_widen(const char* low, const char* high, char* to) const;
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virtual char do_narrow(char c, char dfault) const;
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virtual const char* do_narrow(const char* low, const char* high,
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char dfault, char* to) const;
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};
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}
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```
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A specialization `ctype<char>` is provided so that the member functions
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on type `char` can be implemented inline.[^7]
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The *implementation-defined* value of member `table_size` is at least
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256.
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