Synopsis

Declared in <bslstl_variant.h>

template<
    class t_TYPE,
    class t_HEAD,
    class... t_TAIL>
struct Variant_HasUniqueCVType<t_TYPE, bsl::variant<t_HEAD, t_TAIL...>>
    : bsl::integral_constant<bool, Variant_CountCVType<t_TYPE, t_HEAD, t_TAIL...>::value == 1>

Base Classes

Name

Description

bsl::integral_constant<bool, Variant_CountCVType<t_TYPE, t_HEAD, t_TAIL...>::value == 1>

Metafunction representing a compile‐time constant of the specified (template parameter) t_TYPE with the specified (template parameter) t_VALUE.

Type Aliases

Name

Description

type

Alias for this integral_constant specialization.

value_type

Member Functions

Name

Description

operator()

Return a copy of the template argument t_VALUE.

operator value_type

Static Data Members

Name

value

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