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|
(* TEST
flags += "-w +4+8+9+11+12+52+56+57"
include testing
*)
module GPR1493 = struct
type t1 = { x : int; y : string; }
type t2 = { a : int; b : string; c : string list; }
type t = ..
type t += C1 of t1 | C2 of t2
let f (x : t) =
match x with
| C1 { x; y } -> ()
| C2 { a;b;c } -> ()
| _ -> ()
end
module Coherence_illustration = struct
type ab = A | B
module M : sig
type mab = A | B
type _ t = AB : ab t | MAB : mab t
end = struct
type mab = ab = A | B
type _ t = AB : ab t | MAB : mab t
let f (type x) (t1 : x t) (t2 : x t) (x : x) =
match t1, t2, x with
| AB, AB, A -> ()
| MAB, _, A -> ()
| _, AB, B -> ()
| _, MAB, B -> ()
end
open M
let f (type x) (t1 : x t) (t2 : x t) (x : x) =
match t1, t2, x with
| AB, AB, A -> ()
| MAB, _, A -> ()
| _, AB, B -> ()
| _, MAB, B -> ()
end
module M1 = struct
type _ repr = R1 : int repr | R2 : string repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, 0 -> ()
| _, R2, "coucou" -> ()
end
module M2 = struct
type c = A | B | C
type _ repr = R1 : c repr | R2 : string repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, "coucou" -> ()
let g (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| _, R2, "coucou" -> ()
| R1, _, A -> ()
let h (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| _, R2, "coucou" -> ()
| R1, _, _ -> ()
end
module M3 = struct
type c1 = A | B | C
type c2 = X | Y | Z
type _ repr = R1 : c1 repr | R2 : c2 repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
let g (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
| R1, _, _ -> ()
let h (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, _ -> ()
| _, R2, X -> ()
end
module M3_gadt = struct
type c1 = A | B | C
type _ c2 = X : int c2 | Y : char c2 | Z : char c2
type _ repr = R1 : c1 repr | R2 : int c2 repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
let g (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
| R1, _, _ -> ()
let h (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, _ -> ()
| _, R2, X -> ()
end
module M3_gadt_bis = struct
type _ c1 = A : int c1 | B : int c1 | C : char c1
type _ c2 = X : int c2 | Y : char c2 | Z : char c2
type _ repr = R1 : int c1 repr | R2 : int c2 repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
let g (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
| R1, _, B -> ()
let h (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, _ -> ()
| _, R2, X -> ()
end
module M3_gadt_bis_harder = struct
type _ c1 = A : int c1 | B : int c1 | C : char c1
type _ c2 = X : int c2 | Y : char c2 | Z : char c2
type _ repr = R1 : 'a c1 repr | R2 : 'a c2 repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
let g (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, A -> ()
| _, R2, X -> ()
| R1, _, _ -> ()
let h (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, _ -> ()
| _, R2, X -> ()
let h (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, C -> ()
| _, R2, Y -> ()
end
module M4 = struct
type _ repr = R1 : int repr | R2 : int array repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| _, R1, 0 -> ()
| R2, _, [||] -> ()
| _, R1, 1 -> ()
let g (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, _ -> ()
| _, R2, [||] -> ()
let h (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| _, R2, [||] -> ()
| R1, _, 0 -> ()
| R1, _, _ -> ()
let i (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| _, R2, [||] -> ()
| R1, _, 0 -> ()
| R1, _, _ -> ()
| _, R2, _ -> ()
let j (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| _, R2, [||] -> ()
| R1, _, 0 -> ()
| _, _, _ -> ()
end
module M5 = struct
type _ repr = R1 : char repr | R2 : string repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, 'c' -> ()
| _, R2, "coucou" -> ()
end
module M6 = struct
type _ repr = R1 : [ `A | `B ] repr | R2 : string repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, `A -> ()
| _, R2, "coucou" -> ()
end
module M7 = struct
type _ repr = R1 : (int * string) repr | R2 : (int * string * char) repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, (3, "") -> ()
| _, R2, (1, "coucou", 'a') -> ()
end
module M8 = struct
type r1 = { x : int; y : string }
type r2 = { a : int; b : string; c : char }
type _ repr = R1 : r1 repr | R2 : r2 repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, { x = 3; y = "" } -> ()
| _, R2, { a = 1; b = "coucou"; c = 'a' } -> ()
let g (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R2, _, { a = 1; b = "coucou"; c = 'a' } -> ()
| _, R1, { x = 3; y = "" } -> ()
end
module M9 = struct
type _ repr = R1 : (int * string) repr | R2 : int repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, (3, "") -> ()
| _, R2, 1 -> ()
end
module M10 = struct
type r = { x : int; y : string }
type _ repr = R1 : r repr | R2 : int repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, { x = 3; y = "" } -> ()
| _, R2, 1 -> ()
end
module M11 = struct
type _ repr = R1 : int lazy_t repr | R2 : int repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, lazy 1 -> ()
| _, R2, 1 -> ()
end
module M12 = struct
type _ repr = R1 : unit repr | R2 : string repr
let f (type a) (r1 : a repr) (r2 : a repr) (a : a) =
match r1, r2, a with
| R1, _, () -> ()
| _, R2, "coucou" -> ()
| _, R2, "foo" -> ()
end
|
