# Pastebin h3Yanguf
class Foo
  var _a: USize

  new create(a': USize) =>
    _a = a'

  fun ref set_a(a': USize) =>
    _a = a'

actor Other
  be something(f: Foo val) =>
    None

actor Main
  new create(e: Env) =>
    let f: Foo trn = recover trn Foo(1) end
    f.set_a(2)
    Other.something(consume f)