[#bsl-get_if-09]
= xref:bsl.adoc[bsl]::get_if
:relfileprefix: ../
:mrdocs:

Return a pointer to the `t_TYPE` alternative in `obj` if active.

== Synopsis

Declared in `<bslstl_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class t_TYPE,
    class t_HEAD,
    class... t_TAIL>
add_pointer<t_TYPE const>::type
get_if(xref:bsl/variant.adoc[variant<t_HEAD, t_TAIL...>] const* obj) noexcept;
----

== Description

Same as the non‐`const` overload, for a `const` variant.

== Return Value

pointer to the active `t_TYPE`, or null if inactive

== Parameters

[cols="1,4"]
|===
| Name| Description
| *obj*
| variant to query
|===


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