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

Return a pointer to the alternative object with type (template parameter) `t_TYPE` in the specified `obj`, or a null pointer if `obj` itself is a null pointer or if `t_TYPE` is not the type of the currently active alternative. `t_TYPE` shall appear exactly once in the variant's list of alternatives.

== 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;
----


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