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Make Close() method on Iterators return an error

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This commit is contained in:
Andrew Dunham 2015-04-14 20:17:31 -07:00
parent 5c9979ec8b
commit 1b6395ed0a
19 changed files with 89 additions and 33 deletions
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4
graph/iterator/iterator.go
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@ -114,7 +114,9 @@ func (it *Null) Size() (int64, bool) {
func (it *Null) Reset() {}
func (it *Null) Close() {}
func (it *Null) Close() error {
return nil
}
// A null iterator costs nothing. Use it!
func (it *Null) Stats() graph.IteratorStats {