[#boost-urls-grammar-any_rule-first]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::xref:boost/urls/grammar/any_rule.adoc[any&lowbar;rule]::first
:relfileprefix: ../../../../
:mrdocs:

== Synopsis

Declared in `&lt;https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/range_rule.hpp#L123[boost&sol;url&sol;grammar&sol;range&lowbar;rule&period;hpp]&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
system::result&lt;T&gt;
first(
    char const*& it,
    char const* end) const noexcept;
----


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