ref: e89d14c5f41b12f9e3ff6fb2bf9dd4d35db049d9 dir: /test/fncast.myr/
use std const main = { var fn, envfn var ptr fn = { } envfn = { ptr = ptr } ptr = fn castto(byte#) ptr = envfn castto(byte#) std.put("ok\n") }