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Add an empty() member to FoldingSet.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55182 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-08-22 16:14:23 +00:00
parent 1501cdbf63
commit 55beb6ded8
1 changed files with 3 additions and 0 deletions
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include/llvm/ADT/FoldingSet.h
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@ -165,6 +165,9 @@ public:
/// size - Returns the number of nodes in the folding set.
unsigned size() const { return NumNodes; }
/// empty - Returns true if there are no nodes in the folding set.
bool empty() const { return NumNodes == 0; }
private:
/// GrowHashTable - Double the size of the hash table and rehash everything.