Declared in <bslstl_variant.h>
template<class t_BSL_VARIANT>
struct variant_size<t_BSL_VARIANT const volatile>
: variant_size<t_BSL_VARIANT>
| Name | Description |
|---|---|
variant_size<t_BSL_VARIANT> | This metafunction calculates the number of alternatives in the (possibly cv-qualified) bsl::variant type of (template parameter) t_BSL_VARIANT. The primary template is not defined. |