ref: 66e8d816c8cdb09bb175c0145202f100c4b4284c
dir: /test/custiter.myr/
use std type range = struct lo : int hi : int ;; /* iterate up to 100 */ impl iterable range -> int = __iternext__ = {rng, output if rng.lo > rng.hi -> false else output# = rng.lo++ -> true ;; } __iterfin__ = {it, val } ;; const main = { var r : range var x : int r = [.lo=6, .hi=11] for v : r x = v std.put("{}", x) ;; std.put("\n") }