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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. Only insert() and count() methods are used by my
/// code.
template <class AllocatorTy = llvm::MallocAllocator>
class StringSet : public llvm::StringMap<char, AllocatorTy> {
typedef llvm::StringMap<char, AllocatorTy> base;
public:
bool insert(StringRef InLang) {
assert(!InLang.empty());
const char *KeyStart = InLang.data();
const char *KeyEnd = KeyStart + InLang.size();
return base::insert(llvm::StringMapEntry<char>::
Create(KeyStart, KeyEnd, base::getAllocator(), '+'));
}
};
}
#endif // LLVM_ADT_STRINGSET_H
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