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ocaml source #1
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x86-64 ocamlopt 4.04.2
x86-64 ocamlopt 4.06.1
x86-64 ocamlopt 4.07.1
x86-64 ocamlopt 4.07.1-flambda
x86-64 ocamlopt 4.08.1
x86-64 ocamlopt 4.08.1-flambda
x86-64 ocamlopt 4.09.0
x86-64 ocamlopt 4.09.0-flambda
x86-64 ocamlopt 4.09.1
x86-64 ocamlopt 4.09.1-flambda
x86-64 ocamlopt 4.10.0
x86-64 ocamlopt 4.10.0-flambda
x86-64 ocamlopt 4.10.1
x86-64 ocamlopt 4.10.1-flambda
x86-64 ocamlopt 4.10.2
x86-64 ocamlopt 4.10.2-flambda
x86-64 ocamlopt 4.11.1
x86-64 ocamlopt 4.11.1-flambda
x86-64 ocamlopt 4.11.2
x86-64 ocamlopt 4.11.2-flambda
x86-64 ocamlopt 4.12.0
x86-64 ocamlopt 4.12.0-flambda
x86-64 ocamlopt 4.13.1
x86-64 ocamlopt 4.13.1-flambda
x86-64 ocamlopt 4.14.0
x86-64 ocamlopt 4.14.0-flambda
x86-64 ocamlopt 4.14.2
x86-64 ocamlopt 4.14.2-flambda
x86-64 ocamlopt 5.0.0
x86-64 ocamlopt 5.0.0-flambda
x86-64 ocamlopt 5.1.0
x86-64 ocamlopt 5.1.1
x86-64 ocamlopt 5.2.0
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Source code
module Type_equal = struct type ('a, 'b) t = T : ('a, 'a) t end module Tag = struct type 'a t = | Int of ('a, int) Type_equal.t | Bool of ('a, bool) Type_equal.t | String of ('a, string) Type_equal.t end module List_with_tag = struct type 'a t = { data : 'a list ; tag : 'a Tag.t } let maybe_append (type a b) (fst : a t) (snd : b t) : a list = match fst.tag, snd.tag with | Int T, Int T -> List.append fst.data snd.data | Bool T, Bool T -> List.append fst.data snd.data | String T, String T -> List.append fst.data snd.data | _ -> fst.data end let () = let fst : int List_with_tag.t = { tag = Int T; data = [1; 2; 3] } in let snd : int List_with_tag.t = { tag = Int T; data = [4; 5] } in print_int (List.length (List_with_tag.maybe_append fst snd))
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