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fix(merkle) use defer

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This commit is contained in:
Brian Tiger Chow 2014-12-14 16:06:53 -08:00 committed by Jeromy
parent e720a6a11c
commit 9420200a4e
1 changed files with 2 additions and 1 deletions
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3
merkledag/merkledag.go
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@ -307,6 +307,8 @@ func FindLink(n *Node, k u.Key, found []*Node) (int, error) {
func (ds *dagService) GetDAG(ctx context.Context, root *Node) <-chan *Node {
sig := make(chan *Node)
go func() {
defer close(sig)
var keys []u.Key
for _, lnk := range root.Links {
keys = append(keys, u.Key(lnk.Hash))
@ -350,7 +352,6 @@ func (ds *dagService) GetDAG(ctx context.Context, root *Node) <-chan *Node {
// TODO: bubble errors back up.
log.Errorf("Did not receive correct number of nodes!")
}
close(sig)
}()
return sig