array.clone()

vlib/builtin/array.v

@@ -208,6 +208,17 @@ pub fn (a array) reverse() array {
 	return arr
 }
 
+pub fn (a array) clone() array {
+	arr := array {
+		len: a.len
+		cap: a.cap
+		element_size: a.element_size
+		data: malloc(a.cap * a.element_size)
+	}
+	C.memcpy(arr.data, a.data, a.cap * a.element_size) 
+	return arr 
+} 
+
 //pub fn (a []int) free() {
 pub fn (a array) free() {
 	//if a.is_slice {

vlib/builtin/array_test.v

@@ -190,4 +190,12 @@ fn test_mut_slice() {
 	assert n[2] == 777 
 	println(n)
 }
+
+fn test_clone() {
+	nums := [1, 2, 3, 4, 100] 
+	nums2 := nums.clone()  
+	assert nums2.len == 5 
+	assert nums2.str() == '[1, 2, 3, 4, 100]' 
+	assert nums.slice(1, 3).str() == '[2, 3]' 
+}