boost::urls::grammar::to_upper boost::urls::grammar::to_upper Return c converted to uppercase Synopsis Declared in <include/boost/url/grammar/ci_string.hpp> constexpr char to_upper(char c) noexcept; Description This function returns the character, converting it to uppercase if it is lowercase. The function is defined only for low‐ASCII characters. assert( to_upper( 'a' ) == 'A' ); Throws nothing. Return Value The converted character Parameters Name Description c The character to convert See Also to_lower . Created with MrDocs