ref: e6811668a36f0bfaa6abe113bc25ed99473f8973
dir: /test/matchptr.myr/
use std type loop = struct l : loop# val : int ;; const main = { var x : std.option(std.option(int)#) var y : loop var ok ok = false x = `std.Some &(`std.Some 123) match x | `std.Some &(`std.None): std.put("failed\n") | `std.Some &(`std.Some 666): std.put("failed\n") | `std.Some &(`std.Some 123): ok = true | _: std.put("failed\n") ;; y.val=666 match &y | &[.val=777]: std.put("failed\n") | &[.val=123]: ok = ok && true | &[.val=999]: std.put("failed\n") | _: ;; if ok std.put("worked\n") else std.put("failed\n") ;; }