LLVM  3.7.0
StringSet.h
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1 //===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open
6 // Source License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // StringSet - A set-like wrapper for the StringMap.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_ADT_STRINGSET_H
15 #define LLVM_ADT_STRINGSET_H
16 
17 #include "llvm/ADT/StringMap.h"
18 
19 namespace llvm {
20 
21  /// StringSet - A wrapper for StringMap that provides set-like functionality.
22  template <class AllocatorTy = llvm::MallocAllocator>
23  class StringSet : public llvm::StringMap<char, AllocatorTy> {
25  public:
26 
27  std::pair<typename base::iterator, bool> insert(StringRef Key) {
28  assert(!Key.empty());
29  return base::insert(std::make_pair(Key, '\0'));
30  }
31  };
32 }
33 
34 #endif // LLVM_ADT_STRINGSET_H
std::pair< typename base::iterator, bool > insert(StringRef Key)
Definition: StringSet.h:27
bool insert(MapEntryTy *KeyValue)
insert - Insert the specified key/value pair into the map.
Definition: StringMap.h:298
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:214
StringSet - A wrapper for StringMap that provides set-like functionality.
Definition: StringSet.h:23
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:40
bool empty() const
empty - Check if the string is empty.
Definition: StringRef.h:110