[#boost-urls-grammar-RangeRule]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::RangeRule
:relfileprefix: ../../../
:mrdocs:

== Synopsis

Declared in `&lt;https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/range_rule.hpp#L88[boost&sol;url&sol;grammar&sol;range&lowbar;rule&period;hpp]&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class T&gt;
concept RangeRule = requires (T r, char const&ast;&amp; it, char const&ast; end)
    &lcub;
        typename T&colon;&colon;value&lowbar;type&semi;
        &lcub; r&period;first(it, end) &rcub; &hyphen;&gt; std&colon;&colon;same&lowbar;as&lt;system&colon;&colon;result&lt;typename T&colon;&colon;value&lowbar;type&gt;&gt;&semi;
        &lcub; r&period;next(it, end) &rcub; &hyphen;&gt; std&colon;&colon;same&lowbar;as&lt;system&colon;&colon;result&lt;typename T&colon;&colon;value&lowbar;type&gt;&gt;&semi;
    &rcub;;
----


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