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40 lines
912 B
40 lines
912 B
3 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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module String = ContainersLabels.String
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let rtake n s =
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let l = String.length s in
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if n >= l then s else String.sub s ~pos:(l - n) ~len:n
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let rdrop n s =
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let l = String.length s in
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if n >= l then "" else String.sub s ~pos:0 ~len:(l - n)
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let rtake_drop n s = (rtake n s, rdrop n s)
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module T = struct
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type t = string [@@deriving compare, equal, hash, sexp]
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end
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include T
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include String
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let index_exn = index
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let index = index_opt
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let index_from_exn = index_from
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let index_from = index_from_opt
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let rindex_exn = rindex
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let rindex = rindex_opt
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let rindex_from_exn = rindex_from
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let rindex_from = rindex_from_opt
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module Set = NSSet.Make (T)
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module Map = NSMap.Make (T)
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module Tbl = HashTable.Make (T)
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