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//===- Optional.cpp - Optional values ---------------------------*- 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 
// 
//===----------------------------------------------------------------------===// 
 
#include "llvm/ADT/Optional.h" 
#include "llvm/Support/raw_ostream.h" 
 
llvm::raw_ostream &llvm::operator<<(raw_ostream &OS, NoneType) { 
  return OS << "None"; 
}