struct User { age int name string } fn test_fixed_array_reverse_in_place() { mut a := ['hi', '1', '5', '3']! a.reverse_in_place() assert a == ['3', '5', '1', 'hi']! mut nums := [67, -3, 108, 42, 7]! nums.reverse_in_place() assert nums == [7, 42, 108, -3, 67]! mut users := [User{22, 'Peter'}, User{20, 'Bob'}, User{25, 'Alice'}]! users.reverse_in_place() assert users[0].age == 25 assert users[1].age == 20 assert users[2].age == 22 assert users[0].name == 'Alice' assert users[1].name == 'Bob' assert users[2].name == 'Peter' } fn test_fixed_array_reverse() { a := ['hi', '1', '5', '3']! b := a.reverse() assert a == ['hi', '1', '5', '3']! assert b == ['3', '5', '1', 'hi']! assert ['hi', '1', '5', '3']!.reverse() == ['3', '5', '1', 'hi']! mut nums := [67, -3, 108, 42, 7]! n := nums.reverse() assert nums == [67, -3, 108, 42, 7]! assert n == [7, 42, 108, -3, 67]! assert [67, -3, 108, 42, 7]!.reverse() == [7, 42, 108, -3, 67]! mut users := [User{22, 'Peter'}, User{20, 'Bob'}, User{25, 'Alice'}]! u := users.reverse() assert users[0].age == 22 assert users[1].age == 20 assert users[2].age == 25 assert users[0].name == 'Peter' assert users[1].name == 'Bob' assert users[2].name == 'Alice' assert u[0].age == 25 assert u[1].age == 20 assert u[2].age == 22 assert u[0].name == 'Alice' assert u[1].name == 'Bob' assert u[2].name == 'Peter' u2 := [User{22, 'Peter'}, User{20, 'Bob'}, User{25, 'Alice'}]!.reverse() assert u2[0].age == 25 assert u2[1].age == 20 assert u2[2].age == 22 assert u2[0].name == 'Alice' assert u2[1].name == 'Bob' assert u2[2].name == 'Peter' }