Return c converted to uppercase
Synopsis
Declared in <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.
Example
assert( to_upper( 'a' ) == 'A' );Exception Safety
Throws nothing.
Return Value
The converted character
Parameters
Name |
Description |
c |
The character to convert |