std::toupper(std::locale) - cppreference.com (original) (raw)
| | | | | --------------------------------------------------------------------- | | | | template< class CharT >CharT toupper( CharT ch, const locale& loc ); | | |
Converts the character ch to uppercase if possible, using the conversion rules specified by the given locale's std::ctype facet.
Contents
[edit] Parameters
| ch | - | character |
|---|---|---|
| loc | - | locale |
[edit] Return value
Returns the uppercase form of ch if one is listed in the locale, otherwise returns ch unchanged.
[edit] Notes
Only 1:1 character mapping can be performed by this function, e.g. the uppercase form of 'ß' is (with some exceptions) the two-character string "SS", which cannot be obtained by std::toupper.
[edit] Possible implementation
[edit] Example
Possible output:
in the default locale, toupper(0x17f) = 0x17f in Unicode locale, toupper(0x17f) = 0x53