Head.hpp

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#ifndef HEAD_HPP_
#define HEAD_HPP_
 
#include "capymeta/primitives/Pack.hpp"
#include "capymeta/type_structures/Maybe.hpp"
 
namespace capy::meta::legacy
{
 
template<typename Pack>
struct Head;
 
template<typename Head_, typename... Tail>
struct Head<Pack<Head_, Tail...>>
{
    using type = Head_;
};
 
template<>
struct Head<Pack<>>
{
    using type = None;
};
 
template<typename Pack>
using head_t = typename Head<Pack>::type;
 
}
 
#endif // !HEAD_HPP_