loom

1
def int :
2
    begin   = 0,
3
    end     = 0,
4
    counter = 0
5
    
6
def auto :
7
    __init__ = fn [self] (int : b, int : e) -> auto
8
        {
9
            def self : s
10
        
11
            s.begin = b
12
            s.end = e
13
            s.counter = b - 1
14
            
15
            return s
16
        },
17
    __iterator__ = fn (self : s) -> auto 
18
        {
19
            s.counter += 1
20
            return [s.counter, s.counter <= s.end]
21
        }
22