llvm/llvm/include/llvm/ADT/UniqueVector.h

//===- llvm/ADT/UniqueVector.h ----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ADT_UNIQUEVECTOR_H
#define LLVM_ADT_UNIQUEVECTOR_H

#include <cassert>
#include <cstddef>
#include <map>
#include <vector>

namespace llvm {

//===----------------------------------------------------------------------===//
/// UniqueVector - This class produces a sequential ID number (base 1) for each
/// unique entry that is added.  T is the type of entries in the vector. This
/// class should have an implementation of operator== and of operator<.
/// Entries can be fetched using operator[] with the entry ID.
template<class T> class UniqueVector { … };

} // end namespace llvm

#endif // LLVM_ADT_UNIQUEVECTOR_H