:relfileprefix: ../../../../
[#boost-urls-string_token-arg-2constructor-01]

== 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/arg.adoc[pass:[arg]]::arg


Default constructor


=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/string_token.hpp#L74[boost/url/grammar/string_token.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
arg() = default;
----







