std::basic_ios<CharT,Traits>::widen - cppreference.com
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Converts a character c to its equivalent in the current locale. The result is converted from char to character type used within the stream if needed.
Effectively calls std::use_facet< std::ctype<char_type> >(getloc()).widen(c).
Parameters
Return value
Character converted to char_type
See also
| narrows characters (public member function) [edit] | |
converts a character or characters from char to CharT (virtual protected member function of std::ctype<CharT>) [edit]
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| widens a single-byte narrow character to wide character, if possible (function) [edit] |