LLVM
17.0.0git
include
llvm
ADT
Optional.h
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//===- Optional.h - Simple variant for passing optional values --*- 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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/// \file
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/// This file provides Optional, a template class modeled in the spirit of
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/// OCaml's 'opt' variant. The idea is to strongly type whether or not
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/// a value can be optional.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ADT_OPTIONAL_H
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#define LLVM_ADT_OPTIONAL_H
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#include <optional>
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namespace
llvm
{
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// Legacy alias of llvm::Optional to std::optional.
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// FIXME: Remove this after LLVM 16.
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template
<
class
T>
using
Optional
= std::optional<T>;
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}
// namespace llvm
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#endif
// LLVM_ADT_OPTIONAL_H
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition:
AddressRanges.h:18
llvm::Optional
std::optional< T > Optional
Definition:
Optional.h:24
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