1 //===- Optional.cpp - Optional values ---------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/ADT/Optional.h" 10 #include "llvm/Support/raw_ostream.h" 11 12 llvm::raw_ostream &llvm::operator<<(raw_ostream &OS, NoneType) { 13 return OS << "None"; 14 } 15