shithub: furgit

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objectid: Add Zero

--- a/objectid/objectid.go

+++ b/objectid/objectid.go

@@ -59,6 +59,16 @@

 	return bytes.Compare(left.RawBytes(), right.RawBytes())

 }

+// Zero returns the all-zero object ID for the specified algorithm.

+func Zero(algo Algorithm) ObjectID {

+	id, err := FromBytes(algo, make([]byte, algo.Size()))

+	if err != nil {

+		panic(err)

+	}

+

+	return id

+}

+

 // ParseHex parses an object ID from hex for the specified algorithm.

 func ParseHex(algo Algorithm, s string) (ObjectID, error) {

 	var id ObjectID

-- 

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