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(* Js_of_ocaml library
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2024 Olivier Nicole
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
(** Javascript-specific effect functions. *)
external assume_no_perform : (unit -> 'a) -> 'a = "caml_assume_no_perform"
(** Passing a function [f] as argument of `assume_no_perform` guarantees that,
when compiling with `--effects=double-translation`, the direct-style
version of [f] is called, which is faster than the CPS version. As a
consequence, performing an effect in a transitive callee of [f] will raise
`Effect.Unhandled`, regardless of any effect handlers installed before the
call to `assume_no_perform`, unless a new effect handler was installed in
the meantime.
This behaviour is the same when double translation is disabled. *)
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