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| -rw-r--r-- | objectid/objectid.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/objectid/objectid.go b/objectid/objectid.go index 1c169b29..8eb82969 100644 --- a/objectid/objectid.go +++ b/objectid/objectid.go @@ -59,6 +59,16 @@ func Compare(left, right ObjectID) int { 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 |