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|
(* TEST
expect;
*)
(* #9759 by Thomas Refis *)
type 'a general = { indir: 'a desc; unit: unit }
and 'a desc =
| C : unit general -> unit desc ;;
[%%expect{|
type 'a general = { indir : 'a desc; unit : unit; }
and 'a desc = C : unit general -> unit desc
|}]
let rec foo : type k . k general -> k general = fun g ->
match g.indir with
| C g' ->
let new_g' = foo g' in
if true then
{g with indir = C new_g'}
else
new_g'
| indir ->
{g with indir} ;;
[%%expect{|
Line 9, characters 4-9:
9 | | indir ->
^^^^^
Warning 11 [redundant-case]: this match case is unused.
val foo : 'k general -> 'k general = <fun>
|}]
|
