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25 lines
538 B
25 lines
538 B
4 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 NS0
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include Base.Array
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let pp sep pp_elt fs a = List.pp sep pp_elt fs (to_list a)
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let map_endo xs ~f = map_endo map xs ~f
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let fold_map_inplace a ~init ~f =
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let s = ref init in
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let f x =
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let s', x' = f !s x in
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s := s' ;
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x'
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in
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map_inplace a ~f ;
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!s
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let to_list_rev_map xs ~f = fold ~f:(fun ys x -> f x :: ys) ~init:[] xs
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