30 lines
1.1 KiB
OCaml
30 lines
1.1 KiB
OCaml
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(* Copyright 2012 Tony Garnock-Jones <tonygarnockjones@gmail.com>. *)
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(* This file is part of Hop. *)
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(* Hop is free software: you can redistribute it and/or modify it *)
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(* under the terms of the GNU General Public License as published by the *)
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(* Free Software Foundation, either version 3 of the License, or (at your *)
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(* option) any later version. *)
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(* Hop is distributed in the hope that it will be useful, but *)
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(* WITHOUT ANY WARRANTY; without even the implied warranty of *)
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(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *)
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(* General Public License for more details. *)
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(* You should have received a copy of the GNU General Public License *)
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(* along with Hop. If not, see <http://www.gnu.org/licenses/>. *)
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open Lwt
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let stream_to_string s =
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lwt pieces = Lwt_stream.to_list s in
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return (String.concat "" pieces)
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let stream_generator f =
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let mbox = Lwt_mvar.create_empty () in
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let yield v = Lwt_mvar.put mbox (Some v) in
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ignore (lwt () = f yield in
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Lwt_mvar.put mbox None);
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Lwt_stream.from (fun () -> Lwt_mvar.take mbox)
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