fn main() {
	// check to see if mutable integers work as expected
	mut num := 255
	println('mutable num is ${num}')

	mut arr := [255]
	// check to see if mutable arrays with immutable iteration work as expected
	for elem in arr {
		println('imutable element is ${elem}')
	}

	// check to see if mutable arrays with mutable iteration work as expected
	for mut elem in arr {
		println('mutable element is ${elem}')
	}

	// check to see if mutable arrays with mutable iteration work as expected (explicit format)
	for mut elem in arr {
		println('mutable element is ${elem:d}')
	}
}
