- //===- OptSpecifier.h - Option Specifiers -----------------------*- C++ -*-===// 
- // 
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
- // See https://llvm.org/LICENSE.txt for license information. 
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_OPTION_OPTSPECIFIER_H 
- #define LLVM_OPTION_OPTSPECIFIER_H 
-   
- namespace llvm { 
- namespace opt { 
-   
- class Option; 
-   
- /// OptSpecifier - Wrapper class for abstracting references to option IDs. 
- class OptSpecifier { 
-   unsigned ID = 0; 
-   
- public: 
-   OptSpecifier() = default; 
-   explicit OptSpecifier(bool) = delete; 
-   /*implicit*/ OptSpecifier(unsigned ID) : ID(ID) {} 
-   /*implicit*/ OptSpecifier(const Option *Opt); 
-   
-   bool isValid() const { return ID != 0; } 
-   
-   unsigned getID() const { return ID; } 
-   
-   bool operator==(OptSpecifier Opt) const { return ID == Opt.getID(); } 
-   bool operator!=(OptSpecifier Opt) const { return !(*this == Opt); } 
- }; 
-   
- } // end namespace opt 
- } // end namespace llvm 
-   
- #endif // LLVM_OPTION_OPTSPECIFIER_H 
-