object/id: Zero is a property of the algorithm v0.1.140

1 files changed, 11 insertions, 0 deletions

diff --git a/object/id/algorithm_zero.go b/object/id/algorithm_zero.go
new file mode 100644
index 00000000..e8c0abf2
--- /dev/null
+++ b/object/id/algorithm_zero.go
@@ -0,0 +1,11 @@
+package objectid
+
+// Zero returns the all-zero object ID for this algorithm.
+func (algo Algorithm) Zero() ObjectID {
+	id, err := FromBytes(algo, make([]byte, algo.Size()))
+	if err != nil {
+		panic(err)
+	}
+
+	return id
+}