338 lines
11 KiB
Plaintext
338 lines
11 KiB
Plaintext
Objective Caml version 3.07+18 (2004-05-17)
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# * * * # type 'a t = { t : 'a; }
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# type 'a fold = { fold : 'b. f:('b -> 'a -> 'b) -> init:'b -> 'b; }
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# val f : 'a list -> 'a fold = <fun>
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# - : int = 6
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# class ['a] ilist :
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'a list ->
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object ('b)
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val l : 'a list
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method add : 'a -> 'b
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method fold : f:('c -> 'a -> 'c) -> init:'c -> 'c
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end
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# class virtual ['a] vlist :
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object ('b)
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method virtual add : 'a -> 'b
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method virtual fold : f:('c -> 'a -> 'c) -> init:'c -> 'c
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end
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# class ilist2 :
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int list ->
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object ('a)
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val l : int list
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method add : int -> 'a
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method fold : f:('b -> int -> 'b) -> init:'b -> 'b
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end
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# val ilist2 : 'a list -> 'a vlist = <fun>
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# class ['a] ilist3 :
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'a list ->
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object ('b)
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val l : 'a list
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method add : 'a -> 'b
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method fold : f:('c -> 'a -> 'c) -> init:'c -> 'c
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end
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# class ['a] ilist4 :
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'a list ->
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object ('b)
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val l : 'a list
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method add : 'a -> 'b
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method fold : f:('c -> 'a -> 'c) -> init:'c -> 'c
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end
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# class ['a] ilist5 :
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'a list ->
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object ('b)
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val l : 'a list
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method add : 'a -> 'b
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method fold : f:('c -> 'a -> 'c) -> init:'c -> 'c
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method fold2 : f:('d -> 'a -> 'd) -> init:'d -> 'd
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end
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# class ['a] ilist6 :
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'a list ->
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object ('b)
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val l : 'a list
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method add : 'a -> 'b
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method fold : f:('c -> 'a -> 'c) -> init:'c -> 'c
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method fold2 : f:('d -> 'a -> 'd) -> init:'d -> 'd
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end
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# class virtual ['a] olist :
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object method virtual fold : f:('a -> 'b -> 'b) -> init:'b -> 'b end
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# class ['a] onil :
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object method fold : f:('a -> 'b -> 'b) -> init:'b -> 'b end
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# class ['a] ocons :
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hd:'a ->
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tl:'a olist ->
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object
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val hd : 'a
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val tl : 'a olist
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method fold : f:('a -> 'b -> 'b) -> init:'b -> 'b
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end
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# class ['a] ostream :
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hd:'a ->
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tl:'a ostream ->
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object
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val hd : 'a
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val tl : 'a ostream
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method empty : bool
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method fold : f:('a -> 'b -> 'b) -> init:'b -> 'b
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end
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# class ['a] ostream1 :
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hd:'a ->
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tl:'b ->
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object ('b)
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val hd : 'a
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val tl : 'b
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method fold : f:('a -> 'c -> 'c) -> init:'c -> 'c
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method hd : 'a
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method tl : 'b
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end
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# class vari : object method m : [< `A | `B | `C ] -> int end
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# class vari : object method m : [< `A | `B | `C ] -> int end
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# module V : sig type v = [ `A | `B | `C ] val m : [< v ] -> int end
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# class varj : object method m : [< V.v ] -> int end
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# module type T =
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sig class vari : object method m : [< `A | `B | `C ] -> int end end
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# module M0 :
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sig class vari : object method m : [< `A | `B | `C ] -> int end end
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# module M : T
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# val v : M.vari = <obj>
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# - : int = 1
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# class point :
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x:int ->
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y:int -> object val x : int val y : int method x : int method y : int end
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# class color_point :
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x:int ->
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y:int ->
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color:string ->
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object
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val color : string
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val x : int
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val y : int
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method color : string
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method x : int
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method y : int
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end
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# class circle :
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#point ->
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r:int ->
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object val p : point val r : int method distance : #point -> float end
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# val p0 : point = <obj>
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val p1 : point = <obj>
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val cp : color_point = <obj>
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val c : circle = <obj>
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val d : float = 11.4536240470737098
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# val f : < m : 'a. 'a -> 'a > -> < m : 'a. 'a -> 'a > = <fun>
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# Characters 41-42:
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This expression has type < m : 'a. 'a -> 'a list > but is here used with type
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< m : 'a. 'a -> 'b >
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The universal variable 'a would escape its scope
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# class id : object method id : 'a -> 'a end
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# class type id_spec = object method id : 'a -> 'a end
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# class id_impl : object method id : 'a -> 'a end
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# class a : object method m : bool end
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class b : object method id : 'a -> 'a end
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# Characters 72-77:
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This method has type 'a -> 'a which is less general than 'b. 'b -> 'a
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# Characters 75-80:
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This method has type 'a -> 'a which is less general than 'b. 'b -> 'a
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# Characters 80-85:
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This method has type 'a -> 'a which is less general than 'b. 'b -> 'b
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# Characters 92-159:
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This method has type 'a -> 'a which is less general than 'b. 'b -> 'b
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# class c : object method m : 'a -> 'b -> 'a end
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# val f1 : id -> int * bool = <fun>
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# val f2 : id -> int * bool = <fun>
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# Characters 24-28:
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This expression has type bool but is here used with type int
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# val f4 : id -> int * bool = <fun>
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# class c : object method m : #id -> int * bool end
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# class id2 : object method id : 'a -> 'a method mono : int -> int end
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# val app : int * bool = (1, true)
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# Characters 4-25:
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The type abbreviation foo is cyclic
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# class ['a] bar : 'a -> object end
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# type 'a foo = 'a foo bar
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# - : (< m : 'b. 'b * 'a > as 'a) -> 'c * 'a = <fun>
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# - : (< m : 'b. 'a * 'b list > as 'a) -> 'a * 'c list = <fun>
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# val f :
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(< m : 'b. 'a * (< n : 'b; .. > as 'b) > as 'a) ->
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'a * (< n : 'c; .. > as 'c) = <fun>
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# - : (< p : 'b. < m : 'b; n : 'a; .. > as 'b > as 'a) ->
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(< m : 'c; n : 'a; .. > as 'c)
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= <fun>
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# type sum = T of < id : 'a. 'a -> 'a >
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# - : sum -> 'a -> 'a = <fun>
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# type record = { r : < id : 'a. 'a -> 'a >; }
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# - : record -> 'a -> 'a = <fun>
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# - : record -> 'a -> 'a = <fun>
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# class myself : object ('a) method self : 'b -> 'a end
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# class number :
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object ('a)
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val num : int
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method num : int
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method prev : 'a
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method succ : 'a
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method switch : zero:(unit -> 'b) -> prev:('a -> 'b) -> 'b
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end
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# val id : 'a -> 'a = <fun>
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# class c : object method id : 'a -> 'a end
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# class c' : object method id : 'a -> 'a end
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# class d :
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object
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val mutable count : int
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method count : int
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method id : 'a -> 'a
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method old : 'b -> 'b
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end
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# class ['a] olist :
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'a list ->
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object ('b)
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val l : 'a list
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method cons : 'a -> 'b
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method fold : f:('a -> 'c -> 'c) -> init:'c -> 'c
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end
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# val sum : int #olist -> int = <fun>
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# val count : 'a #olist -> int = <fun>
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# val append : 'a #olist -> ('a #olist as 'b) -> 'b = <fun>
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# type 'a t = unit
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# class o : object method x : [> `A ] t -> unit end
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# class c : object method m : d end
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class d : ?x:int -> unit -> object end
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# class d : ?x:int -> unit -> object end
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class c : object method m : d end
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# class type numeral = object method fold : ('a -> 'a) -> 'a -> 'a end
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class zero : object method fold : ('a -> 'a) -> 'a -> 'a end
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class next : #numeral -> object method fold : ('a -> 'a) -> 'a -> 'a end
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# class type node_type = object method as_variant : [> `Node of node_type ] end
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# class node : node_type
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# class node : object method as_variant : [> `Node of node_type ] end
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# type bad = { bad : 'a. 'a option ref; }
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# Characters 17-25:
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This field value has type 'a option ref which is less general than
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'b. 'b option ref
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# type bad2 = { mutable bad2 : 'a. 'a option ref option; }
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# val bad2 : bad2 = {bad2 = None}
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# Characters 13-28:
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This field value has type 'a option ref option which is less general than
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'b. 'b option ref option
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# type 'a t = [ `A of 'a ]
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# class c : object method m : ([> 'a t ] as 'a) -> unit end
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# class c : object method m : ([> 'a t ] as 'a) -> unit end
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# class c : object method m : ([> 'a t ] as 'a) -> 'a end
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# class c : object method m : ([> `A ] as 'a) option -> 'a end
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# Characters 145-166:
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This type scheme cannot quantify 'a :
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it escapes this scope.
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# type ('a, 'b) list_visitor = < caseCons : 'b -> 'b list -> 'a; caseNil : 'a >
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type 'a alist = < visit : 'b. ('b, 'a) list_visitor -> 'b >
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class type ct = object ('a) method fold : ('b -> 'a -> 'b) -> 'b -> 'b end
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type t = { f : 'a 'b. ('b -> (#ct as 'a) -> 'b) -> 'b; }
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# Characters 19-25:
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The type abbreviation t is cyclic
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# class ['a] a : object constraint 'a = [> `A of 'a a ] end
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type t = [ `A of t a ]
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# Characters 71-80:
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Constraints are not satisfied in this type.
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Type ('a, 'b) t should be an instance of ('c, 'c) t
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# type 'a t = 'a
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type u = int t
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# type 'a t constraint 'a = int
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# Characters 26-32:
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Constraints are not satisfied in this type.
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Type 'a u t should be an instance of int t
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# type 'a u = 'a constraint 'a = int
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type 'a v = 'a u t constraint 'a = int
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# type g = int
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# type 'a t = unit constraint 'a = g
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# Characters 26-32:
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Constraints are not satisfied in this type.
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Type 'a u t should be an instance of g t
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# type 'a u = 'a constraint 'a = g
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type 'a v = 'a u t constraint 'a = int
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# Characters 38-58:
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In the definition of v, type 'a list u should be 'a u
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# type 'a t = 'a
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type 'a u = A of 'a t
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# type 'a t = < a : 'a >
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# - : ('a t as 'a) -> 'a t = <fun>
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# type u = 'a t as 'a
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# type t = A | B
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# - : [> `A ] * t -> int = <fun>
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# - : [> `A ] * t -> int = <fun>
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# - : [> `A ] option * t -> int = <fun>
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# - : [> `A ] option * t -> int = <fun>
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# - : t * [< `A | `B ] -> int = <fun>
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# - : [< `A | `B ] * t -> int = <fun>
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# Characters 0-41:
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Warning: this pattern-matching is not exhaustive.
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Here is an example of a value that is not matched:
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(`AnyExtraTag, `AnyExtraTag)
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- : [> `A | `B ] * [> `A | `B ] -> int = <fun>
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# Characters 0-29:
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Warning: this pattern-matching is not exhaustive.
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Here is an example of a value that is not matched:
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(_, 0)
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Characters 21-24:
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Warning: this match case is unused.
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- : [ `B ] * int -> int = <fun>
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# Characters 0-29:
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Warning: this pattern-matching is not exhaustive.
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Here is an example of a value that is not matched:
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(0, _)
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Characters 21-24:
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Warning: this match case is unused.
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- : int * [ `B ] -> int = <fun>
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# Characters 69-135:
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Constraints are not satisfied in this type.
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Type
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([> `B of 'a ], 'a) b as 'a
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should be an instance of
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(('b, [> `A of 'b ] as 'c) a as 'b, 'c) b
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# class type ['a, 'b] a =
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object
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constraint 'a = ('a, 'b) #a
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constraint 'b = ('a, 'b) #b
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method as_a : ('a, 'b) a
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method b : 'b
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end
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class type ['a, 'b] b =
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object
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constraint 'a = ('a, 'b) #a
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constraint 'b = ('a, 'b) #b
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method a : 'a
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method as_b : ('a, 'b) b
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end
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class type ['a] ca =
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object ('b)
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constraint 'a = ('b, 'a) #b
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method as_a : ('b, 'a) a
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method b : 'a
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end
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class type ['a] cb =
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object ('b)
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constraint 'a = ('a, 'b) #a
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method a : 'a
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method as_b : ('a, 'b) b
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end
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type bt = 'a ca cb as 'a
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# class c : object method m : int end
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# val f : unit -> c = <fun>
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# val f : unit -> c = <fun>
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# Characters 11-60:
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Warning: the following private methods were made public implicitly:
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n
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val f : unit -> < m : int; n : int > = <fun>
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# Characters 11-56:
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This object is expected to have type c but has actually type
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< m : int; n : 'a >
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Only the second object type has a method n
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# Characters 11-69:
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This object is expected to have type < n : int > but has actually type
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< m : 'a >
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Only the first object type has a method n
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# Characters 80-81:
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This expression has type < m : 'b. 'b * < m : 'b * 'a > > as 'a
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but is here used with type
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< m : 'b. 'b * (< m : 'b * < m : 'd. 'd * 'c > > as 'c) >
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Types for method m are incompatible
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#
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