add some more helper functions to ease integration into go-ipfs

35c32d52 · Jeromy · ce2167fe · 35c32d52
Commit 35c32d52 authored Sep 01, 2016 by Jeromy
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set.go set.go +9 -0

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--- a/set.go
+++ b/set.go
@@ -33,3 +33,12 @@ func (s *Set) Keys() []*Cid {
 	}
 	return out
 }
+
+func (s *Set) Visit(c *Cid) bool {
+	if !s.Has(c) {
+		s.Add(c)
+		return true
+	}
+
+	return false
+}