Return true if ch is in the character set.

Synopsis

Declared in header <boost/url/grammar/lut_chars.hpp>

constexpr
bool
operator()(char ch) const noexcept;

Description

This function returns true if the character ch is in the set, otherwise it returns false.

Complexity

Constant.

Exception Safety

Throws nothing.

Parameters

Name Description

ch

The character to test.