= -- Extract all the binders in this group,
-- and extend current scope, inventing new names for the new binders
-- This also checks that the names form a set
- bindLocatedLocalsRn (text "a binding group") mbinders_w_srclocs
- $ \ new_mbinders ->
+ bindLocatedLocalsRn (text "a binding group")
+ mbinders_w_srclocs $ \ new_mbinders ->
let
binder_set = mkNameSet new_mbinders
in