diff --git a/vlib/builtin/byte_test.v b/vlib/builtin/byte_test.v
new file mode 100644
index 0000000000..27357a44de
--- /dev/null
+++ b/vlib/builtin/byte_test.v
@@ -0,0 +1,8 @@
+fn test_clone() {
+	a := [byte(0), 1, 2] 
+	b := a.clone()
+	assert b.len == 3
+	assert b[0] == 0 
+	assert b[1] == 1 
+	assert b[2] == 2 
+} 
diff --git a/vlib/builtin/int.v b/vlib/builtin/int.v
index 117737781a..c1ba5b617d 100644
--- a/vlib/builtin/int.v
+++ b/vlib/builtin/int.v
@@ -177,3 +177,11 @@ pub fn (c byte) str() string {
 	return str
 }
 
+pub fn (b []byte) clone() []byte {
+	mut res := [byte(0); b.len] 
+	for i := 0; i < b.len; i++ {
+		res[i] = b[i] 
+	} 
+	return res 
+} 
+