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Move Err() method to Iterator interface, fix fallout

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This commit is contained in:
Andrew Dunham 2015-04-15 10:51:22 -07:00
parent 912b126e92
commit accbc6007e
2 changed files with 7 additions and 3 deletions
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4
graph/iterator/optional_iterator.go
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@ -76,6 +76,10 @@ func (it *Optional) ResultTree() *graph.ResultTree {
return graph.NewResultTree(it.Result())
}
func (it *Optional) Err() error {
return it.subIt.Err()
}
func (it *Optional) Result() graph.Value {
return it.result
}