tape: Add DecodeVILAIter

tape/array.go

@@ -69,6 +69,19 @@ func DecodeVILA(data []byte) ArrayPullFunc {
 	}
 }
 
+// DecodeVILAIter decodes a variable item length array and returns it as an
+// iterator.
+func DecodeVILAIter(data []byte) iter.Seq[[]byte] {
+	return func(yield func([]byte) bool) {
+		pull := DecodeVILA(data)
+		for {
+			value, _, err := pull()
+			if err != nil { return }
+			if !yield(value) { return }
+		}
+	}
+}
+
 // EncodeVILA encodes a variable item length array.
 func EncodeVILA(data []byte, items ...[]byte) ArrayPushFunc {
 	n := 0