:relfileprefix: ../../../../
[#AAB31C71375DECACC7570BDCBB7111EA995F88D7]

= Function alnum_chars_t::operator()



== Synopsis

Declared in header `</boost/url/grammar/alnum_chars.hpp#L55[boost/url/grammar/alnum_chars.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
bool
operator()(char c) const noexcept;
----