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Enumerate iterator types

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This commit is contained in:
kortschak 2014-07-03 09:57:31 +09:30
parent 1f67913ed9
commit cd46452b63
23 changed files with 145 additions and 68 deletions
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4
graph/iterator/hasa_iterator.go
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@ -91,7 +91,7 @@ func (it *HasA) Optimize() (graph.Iterator, bool) {
newPrimary, changed := it.primaryIt.Optimize()
if changed {
it.primaryIt = newPrimary
if it.primaryIt.Type() == "null" {
if it.primaryIt.Type() == graph.Null {
return it.primaryIt, true
}
}
@ -220,4 +220,4 @@ func (it *HasA) Close() {
}
// Register this iterator as a HasA.
func (it *HasA) Type() string { return "hasa" }
func (it *HasA) Type() graph.Type { return graph.HasA }