protected virtual member function


single character (1)
  char_type do_widen (char c) const;
sequence (2)
const char* do_widen (const char* low, const char* high, char_type* to) const;
Widen character(s) [virtual]
Virtual protected member function called by ctype::widen to transform char values into their equivalents of the character type managed by the facet.

Polymorphic derived classes can overwrite the behavior of this function.

See ctype::widen for its default behavior in ctype.

See also