BloombergLP::bslstl::Variant_CopyAssignVisitor::operator()

Copy‐assign to the active alternative of *d_variant_p from value.

Synopsis

Declared in <bslstl_variant.h>

template<
    size_t t_INDEX,
    class t_TYPE>
void
operator()(
    bsl::in_place_index_t<t_INDEX> indexTag,
    t_TYPE const& value) const;

Description

Copy‐assign to the active alternative of *d_variant_p from the specified value (i.e. the alternative that is being visited). The behavior is undefined unless (template parameter) t_INDEX is the index of the active alternative of *d_variant_p (or, in C++03, the index of an alternative that has the same type as the active alternative).

Parameters

Name

Description

indexTag

tag encoding the index of the alternative being visited

value

alternative value to copy‐assign from

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