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grammar::to_lower

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

Name	Description
`c`	The character to convert

See Also

Convenience header <boost/url/grammar.hpp>