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ocamlc functor type private messed up #5469

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vicuna opened this Issue Jan 9, 2012 · 1 comment

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vicuna commented Jan 9, 2012

Original bug ID: 5469
Reporter: jm
Assigned to: @garrigue
Status: closed (set by @garrigue on 2012-01-10T03:08:57Z)
Resolution: fixed
Priority: normal
Severity: major
Platform: i686
OS: Debian
OS Version: Sid
Version: 3.12.1
Fixed in version: 3.13.0+dev
Category: ~DO NOT USE (was: OCaml general)
Monitored by: @protz Camarade_Tux @hcarty @garrigue

Bug description

% tail -n +1 {ok,ko}.ml
==> ok.ml <==
module M (T:sig type t end)
= struct type t = private { t : T.t } end
module T = struct type t end
module R = M(T)

==> ko.ml <==
module M (T:sig type t end)
= struct type t = private { t : T.t } end
module P
= struct
module T = struct type t end
module R = M(T)
end
% ocamlc -i ok.ml
module M :
functor (T : sig type t end) -> sig type t = private { t : T.t; } end
module T : sig type t end
module R : sig type t = M(T).t = private { t : T.t; } end
/tmp % ocamlc -c ok.ml
% ocamlc -i ko.ml
module M :
functor (T : sig type t end) -> sig type t = private { t : T.t; } end
module P :
sig
module T : sig type t end
module R : sig type t = M(T).t = private { t : T.t; } end
end
% ocamlc -c ko.ml
File "ko.ml", line 1:
Error: The implementation ko.ml
does not match the interface (inferred signature):
Modules do not match:
sig
module T : sig type t = P.T.t end
module R : sig type t = P.R.t = private { t : T.t; } end
end
is not included in
sig
module T : sig type t end
module R : sig type t = M(T).t = private { t : T.t; } end
end
Modules do not match:
sig type t = R.t = private { t : T.t; } end
is not included in
sig type t = M(T).t = private { t : T.t; } end
Type declarations do not match:
type t = R.t = private { t : T.t; }
is not included in
type t = M(T).t = private { t : T.t; }

@vicuna

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vicuna commented Jan 10, 2012

Comment author: @garrigue

Fixed in mtype.ml, both in trunk revision 12005 and version/3.12 revision 12006.

@vicuna vicuna closed this Jan 10, 2012

@vicuna vicuna added the bug label Mar 20, 2019

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