templated_type_wrapper.h

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#ifndef VCL_TYPES_TEMPLATED_TYPE_WRAPPER_H
#define VCL_TYPES_TEMPLATED_TYPE_WRAPPER_H
 
#include "variadic_templates.h"
 
namespace vcl {
 
template<template<typename...> typename... Args>
struct TemplatedTypeWrapper
{
    static constexpr uint size() { return sizeof...(Args); }
};
 
// note: specialization from variadic_templates.h
template<template<typename...> typename... Args>
struct FirstType<TemplatedTypeWrapper<Args...>>
{
    template<typename... T>
    using type = std::tuple_element<0, std::tuple<Args<T>...>>::type;
};
 
} // namespace vcl
 
#endif // VCL_TYPES_TEMPLATED_TYPE_WRAPPER_H