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. |