blob: 45813c08d21371d80a4018c76fe9e563742df0d5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
use std
pkg iter =
type refiter(@a) = struct
idx : std.size
sl : @a[:]
;;
impl iterable refiter(@a) -> @a#
generic byref : (sl : @a[:] -> refiter(@a))
;;
generic byref = {a
-> [.sl = a, .idx = 0]
}
impl iterable refiter(@a) -> @a# =
__iternext__ = {itp, valp
if itp.idx == itp.sl.len
-> false
;;
valp# = &itp.sl[itp.idx]
itp.idx++
-> true
}
__iterfin__ = {itp, valp
}
;;
|