# transform
list = (1, 2, 3);
test = transform(list, 'input + 1');
assert_equal((2, 3, 4), test);

# string
test = string(42);
assert_equal("42", test);

test = string(42.42);
assert_equal("42.42", test);

test = string(false);
assert_equal("false", test);

# count

test = count("123");
assert_equal(3, test);

# create_table