fn test_array_or() {
	m := [3, 4, 5]
	el := m[4] or { println('error') }
	println(el)
}

fn test_map_or() {
	m := {
		'as': 3
		'qw': 4
		'kl': 5
	}
	mut testvar := 0
	el := m['pp'] or { testvar = 12 }
	println('${el} ${testvar}')
}