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28 lines
642 B
28 lines
642 B
5 years ago
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(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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open (
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Base :
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(module type of Base with module Format := Base.Format [@warning "-3"]) )
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include Base.Option
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let pp fmt pp_elt fs = function
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| Some x -> Format.fprintf fs fmt pp_elt x
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| None -> ()
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let cons xo xs = match xo with Some x -> x :: xs | None -> xs
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module Monad_syntax = struct
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type nonrec 'a t = 'a t
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let ( let+ ) x f = map ~f x
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let ( and+ ) x y = both x y
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let ( let* ) x f = bind ~f x
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let ( and* ) x y = both x y
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end
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