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Add StringMap::lookup.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66750 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2009-03-12 01:16:06 +00:00
parent a9537cf3fc
commit e889d837a4
1 changed files with 21 additions and 0 deletions
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21
include/llvm/ADT/StringMap.h
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@@ -303,6 +303,27 @@ public:
return find(key_start, key_start + Key.size()); return find(key_start, key_start + Key.size());
} }
/// lookup - Return the entry for the specified key, or a default
/// constructed value if no such entry exists.
ValueTy lookup(const char *KeyStart, const char *KeyEnd) const {
const_iterator it = find(KeyStart, KeyEnd);
if (it != end())
return it->second;
return ValueTy();
}
ValueTy lookup(const char *Key) const {
const_iterator it = find(Key);
if (it != end())
return it->second;
return ValueTy();
}
ValueTy lookup(const std::string &Key) const {
const_iterator it = find(Key);
if (it != end())
return it->second;
return ValueTy();
}
ValueTy& operator[](const char *Key) { ValueTy& operator[](const char *Key) {
return GetOrCreateValue(Key, Key + strlen(Key)).getValue(); return GetOrCreateValue(Key, Key + strlen(Key)).getValue();
} }