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//===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open
// Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// StringSet - A set-like wrapper for the StringMap.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ADT_STRINGSET_H
#define LLVM_ADT_STRINGSET_H
#include "llvm/ADT/StringMap.h"
namespace llvm {
/// StringSet - A wrapper for StringMap that provides set-like functionality.
template <class AllocatorTy = llvm::MallocAllocator>
class StringSet : public llvm::StringMap<char, AllocatorTy> {
typedef llvm::StringMap<char, AllocatorTy> base;
public:
std::pair<typename base::iterator, bool> insert(StringRef Key) {
assert(!Key.empty());
return base::insert(std::make_pair(Key, '\0'));
}
};
}
#endif // LLVM_ADT_STRINGSET_H
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