Return c converted to lowercase.

Synopsis

Defined in header <boost/url/grammar/ci_string.hpp>

constexpr char
to_lower(
    char c);

Description

This function returns the character, converting it to lowercase if it is uppercase. The function is defined only for low-ASCII characters.

Example

assert( to_lower( 'A' ) == 'a' );

Exception Safety

Throws nothing.

Return Value

The converted character

Parameters

See Also

to_upper.

Convenience header <boost/url/grammar.hpp>