tmp/tmpm1l0icb_/{from.md → to.md}
RENAMED
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| 1 |
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##### General <a id="locale.ctype.general">[[locale.ctype.general]]</a>
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| 2 |
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| 3 |
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``` cpp
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| 4 |
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namespace std {
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template<class charT>
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class ctype : public locale::facet, public ctype_base {
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public:
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using char_type = charT;
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explicit ctype(size_t refs = 0);
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bool is(mask m, charT c) const;
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const charT* is(const charT* low, const charT* high, mask* vec) const;
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const charT* scan_is(mask m, const charT* low, const charT* high) const;
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const charT* scan_not(mask m, const charT* low, const charT* high) const;
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charT toupper(charT c) const;
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const charT* toupper(charT* low, const charT* high) const;
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charT tolower(charT c) const;
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const charT* tolower(charT* low, const charT* high) const;
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charT widen(char c) const;
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const char* widen(const char* low, const char* high, charT* to) const;
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char narrow(charT c, char dfault) const;
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const charT* narrow(const charT* low, const charT* high, char dfault, char* to) const;
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static locale::id id;
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protected:
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~ctype();
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virtual bool do_is(mask m, charT c) const;
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virtual const charT* do_is(const charT* low, const charT* high, mask* vec) const;
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virtual const charT* do_scan_is(mask m, const charT* low, const charT* high) const;
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virtual const charT* do_scan_not(mask m, const charT* low, const charT* high) const;
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virtual charT do_toupper(charT) const;
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virtual const charT* do_toupper(charT* low, const charT* high) const;
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virtual charT do_tolower(charT) const;
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virtual const charT* do_tolower(charT* low, const charT* high) const;
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virtual charT do_widen(char) const;
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virtual const char* do_widen(const char* low, const char* high, charT* dest) const;
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virtual char do_narrow(charT, char dfault) const;
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virtual const charT* do_narrow(const charT* low, const charT* high,
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char dfault, char* dest) const;
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};
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}
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```
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Class `ctype` encapsulates the C library `<cctype>` features. `istream`
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members are required to use `ctype<>` for character classing during
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| 49 |
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input parsing.
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The specializations required in [[locale.category.facets]]
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[[locale.category]], namely `ctype<char>` and `ctype<wchar_t>`,
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implement character classing appropriate to the implementation’s native
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| 54 |
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character set.
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