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

Synopsis

Declared in <bslstl_variant.h>

template<
    class t_TYPE,
    class t_HEAD,
    class... t_TAIL>
add_pointer<t_TYPE>::type
get_if(variant<t_HEAD, t_TAIL...>* obj) noexcept;

Description

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.

Return Value

pointer to the active t_TYPE, or null if inactive

Parameters

Name

Description

obj

variant to query

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