ref: 3360bf0e88b086b0c7f7957eeb4a6f0b4eaeebc7 dir: /test/fncast.myr/
use std const main = { var fn, envfn var ptr fn = { } envfn = { ptr = ptr } ptr = (fn : byte#) ptr = (envfn : byte#) std.put("ok\n") }