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/Support/raw_ostream.h"
10 
11 llvm::raw_ostream &llvm::operator<<(raw_ostream &OS, std::nullopt_t) {
12   return OS << "None";
13 }
14