variant_size< T > Class Template Reference

Utility to get the number of alternatives in a variant. More...

#include <sumty/variant.hpp>

Related Functions
(Note that these are not member functions.)
template<typename T >
static constexpr size_t	variant_size_v = variant_size<T>::value
	Utility to get the number of alternatives in a variant. More...

Detailed Description

template<typename T>
class sumty::variant_size< T >

Utility to get the number of alternatives in a variant.

varaint_size provides the number alternatives in the variant, T, in the static constexpr member value.

Example

assert(variant_size<variant<bool, int, void>>::value == 3);

Template Parameters

T	The variant type to get the size of

Friends And Related Function Documentation

variant_size_v

constexpr size_t variant_size_v = variant_size<T>::value

related

Utility to get the number of alternatives in a variant.

varaint_size_v provides the number alternatives in the variant, T.

Example

assert(variant_size_v<variant<bool, int, void>> == 3);

Template Parameters

T	The variant type to get the size of

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The documentation for this class was generated from the following file:

• sumty/variant.hpp