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None.h
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//===-- None.h - Simple null value for implicit construction ------*- C++ -*-=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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 WPIUTIL_WPI_NONE_H
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#define WPIUTIL_WPI_NONE_H
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namespace
wpi
{
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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
wpi
namespace to hold default to_json function
Definition:
json_binary_writer.cpp:39
wpi::NoneType
NoneType
A simple null object to allow implicit construction of Optional<T> and similar types without having t...
Definition:
None.h:23
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None.h
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