This repository has been archived on 2020-09-21. You can view files and clone it, but cannot push or open issues or pull requests.
FRC2016-old/wpilib/cpp/current/include/llvm/None.h
2016-01-28 11:33:19 -05:00

27 lines
877 B
C++

//===-- None.h - Simple null value for implicit construction ------*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides None, an enumerator for use in implicit constructors
// of various (usually templated) types to make such construction more
// terse.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ADT_NONE_H
#define LLVM_ADT_NONE_H
namespace llvm {
/// \brief A simple null object to allow implicit construction of Optional<T>
/// and similar types without having to spell out the specialization's name.
enum class NoneType { None };
const NoneType None = None;
}
#endif