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ae65e281f3
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
27 lines
983 B
C++
27 lines
983 B
C++
//===-- None.h - Simple null value for implicit construction ------*- C++ -*-=//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides None, an enumerator for use in implicit constructors
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// of various (usually templated) types to make such construction more
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// terse.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ADT_NONE_H
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#define LLVM_ADT_NONE_H
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namespace llvm {
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/// A simple null object to allow implicit construction of Optional<T>
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/// and similar types without having to spell out the specialization's name.
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// (constant value 1 in an attempt to workaround MSVC build issue... )
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enum class NoneType { None = 1 };
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const NoneType None = NoneType::None;
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}
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#endif
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