// error in non-mut as receover
struct Box {
mut:
    value int
}

fn (mut box Box) set(value int) {
    box.value = value
}

fn non_mut_receiver() {
    Box{}.set(0)
}

// error in array chained method calls
fn array_chained_method_calls() {
    path := 'hello/file.txt'
    _ = path.split('.').pop()
}

// error in map chained method calls
fn map_chained_method_calls() {
    mut m := map[int]int{}
    m.clone().delete(0)
}