\begin{code}
occAnalAlt env case_bndr (con, bndrs, rhs)
= case occAnal env rhs of { (rhs_usage, rhs') ->
let
(final_usage, tagged_bndrs) = tagBinders rhs_usage bndrs
\begin{code}
occAnalAlt env case_bndr (con, bndrs, rhs)
= case occAnal env rhs of { (rhs_usage, rhs') ->
let
(final_usage, tagged_bndrs) = tagBinders rhs_usage bndrs