:relfileprefix: ../../../../
[#boost-urls-string_token-see_below-is_token-05]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/string_token.adoc[pass:[string_token]]::xref:boost/urls/string_token/see_below.adoc[pass:[see_below]]::is_token


Metafunction returning true if T is a StringToken


=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/string_token.hpp#L101[boost/url/grammar/string_token.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
template<
    class T,
    class = void>
struct is_token
    : std::false_type;
----



