array: eq() for builtins (byte, string, int, i64, f32)

vlib/builtin/array.v

@@ -365,3 +365,37 @@ pub fn (a []int) reduce(iter fn (accum, curr int) int, accum_start int) int {
 	}
 	return _accum
 }
+
+// []int == []int (also for: i64, f32, f64, byte, string)
+fn array_eq<T>(a1, a2 []T) bool {
+	if a1.len != a2.len {
+		return false
+	}
+	for i := 0; i < a1.len; i++ {
+		if a1[i] != a2[i] {
+			return false
+		}
+	}
+	return true
+}
+
+pub fn (a []int) eq(a2 []int) bool { 
+	return array_eq(a, a2) 
+}
+
+pub fn (a []i64) eq(a2 []i64) bool { 
+	return array_eq(a, a2) 
+}
+
+pub fn (a []string) eq(a2 []string) bool { 
+	return array_eq(a, a2) 
+}
+
+pub fn (a []byte) eq(a2 []byte) bool { 
+	return array_eq(a, a2) 
+}
+
+pub fn (a []f32) eq(a2 []f32) bool { 
+	return array_eq(a, a2) 
+}
+

vlib/builtin/array_test.v

@@ -387,4 +387,9 @@ fn test_array_str() {
 	assert true
 	assert numbers.str() == '[1, 2, 3]'
 	assert numbers2.str() == '[[1, 2, 3], [4, 5, 6]]'
-}	
+}
+
+fn test_eq() {
+	assert [5,6,7].eq([6,7]) == false
+	assert [`a`,`b`].eq([`a`,`b`]) == true
+}