[#boost-urls-grammar-ref-01]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::ref
:relfileprefix: ../../../
:mrdocs:

`ref` overloads

== Synopses

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/charset.hpp#L255[boost/url/grammar/charset.hpp]>`

Return a reference to a character set


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<xref:boost/urls/grammar/CharSet.adoc[CharSet] CS>
constexpr
/* implementation-defined */
xref:boost/urls/grammar/ref-02.adoc[ref](CS const& cs) noexcept
requires is_charset<CS>::value &&
    ! std::is_same<CS,
        implementation_defined::charset_ref<CS> >::value;
----

[.small]#xref:boost/urls/grammar/ref-02.adoc[_» more..._]#

Return a reference to a rule


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<xref:boost/urls/grammar/Rule.adoc[Rule] R>
constexpr
/* implementation-defined */
xref:boost/urls/grammar/ref-0e.adoc[ref](R const& r) noexcept
requires is_rule<R>::value &&
    ! std::is_same<R,
        implementation_defined::rule_ref<R> >::value;
----

[.small]#xref:boost/urls/grammar/ref-0e.adoc[_» more..._]#

== Return Value

* The character set as a reference type
* The rule as a reference type

== Template Parameters

[cols=2]
|===
| Name
| Description
| *CharSet*
| The character set type
|===

== Parameters

[cols=2]
|===
| Name
| Description
| *cs*
| The character set to use
| *r*
| The rule to use
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#