let closure_ty = tcx.closure_env_ty(def_id, substs, env_region).unwrap();
// The "inputs" of the closure in the
- // signature appear as a tuple. The MIR side
+ // signature appear as a tuple. The MIR side
// flattens this tuple.
let (&output, tuplized_inputs) =
inputs_and_output.skip_binder().split_last().unwrap();