TypeInfo.hpp

Go to the documentation of this file.

#pragma once
 
#include <set>
#include <string_view>
 
namespace shkyera {
 
using TypeID = uint64_t;
 
template <typename T>
constexpr uint64_t getId() {
  constexpr std::string_view name = __PRETTY_FUNCTION__;
  uint64_t hash = 0xcbf29ce484222325;
  for (char c : name) {
    hash ^= static_cast<uint64_t>(c);
    hash *= 0x100000001b3;
  }
  return hash;
}
 
template <typename T>
struct TypeInfo {
  TypeInfo() = delete;
 
  inline static constexpr TypeID ID = getId<T>();
};
 
using TypeSet = std::set<TypeID>;
 
}  // namespace shkyera