id.h

// This file if part of the llir-opt project.
// Licensing information can be found in the LICENSE file.
// (C) 2018 Nandor Licker. All rights reserved.
 
#pragma once
 
#include <cstdint>
 
#include <llvm/Support/raw_ostream.h>
 
#include "core/adt/hash.h"
 
 
 
template<typename T>
class ID final {
public:
  ID(uint32_t id) : id_(id) { }
 
  operator uint32_t () const { return id_; }
 
private:
  uint32_t id_;
};
 
 
template<typename T>
struct std::hash<ID<T>> {
  std::size_t operator()(const ID<T> &p) const
  {
    return std::hash<uint32_t>{}(static_cast<uint32_t>(p));
  }
};
 
 
template <typename T>
llvm::raw_ostream &operator<<(llvm::raw_ostream &os, const ID<T> &id)
{
  os << static_cast<uint32_t>(id);
  return os;
}