34 lines
1.4 KiB
OCaml
34 lines
1.4 KiB
OCaml
(***********************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Alain Frisch, LexiFi *)
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(* *)
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(* Copyright 2014 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* Check the effectiveness of inlining the wrapper which fills in
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default values for optional arguments.
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Ref: http://caml.inria.fr/mantis/view.php?id=6345
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*)
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let rec f ?(flag = false) ?(acc = 0) = function
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| [] -> if flag then acc else acc + 1
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| hd :: tl -> f ~flag ~acc:(acc + hd) tl
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let () =
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let l = [1;2;3;4;5;6;7;8;9] in
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let x0 = Gc.allocated_bytes () in
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let x1 = Gc.allocated_bytes () in
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for i = 1 to 1000 do
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ignore (f l)
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done;
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let x2 = Gc.allocated_bytes () in
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assert(x1 -. x0 = x2 -. x1)
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(* check that we have not allocated anything between x1 and x2 *)
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