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Comment:string_slices: new callback-based constructor
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: cd40fb63c6ba2afb0defe48228dd0469d5146014
User & Date: nat on 2017-06-14 20:58:49
Other Links: manifest | tags
Context
2017-06-15
19:23
string_slice_tests: test the new callback-based constructor check-in: 4b6433de7a user: nat tags: trunk
2017-06-14
20:58
string_slices: new callback-based constructor check-in: cd40fb63c6 user: nat tags: trunk
2017-06-13
19:15
string_slices-slice_sets: drop uneeded mutability of string references check-in: 7521b2a2e6 user: nat tags: trunk
Changes
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Modified src/natools-string_slices.adb from [55fc41b4d8] to [d363e97e60]. 

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------------------------------------------------------------------------------
-- Copyright (c) 2013-2016, Natacha Porté                                   --
-- Copyright (c) 2013-2017, Natacha Porté                                   --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --
︙
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   end Image;



   --------------------------
   -- Conversion functions --
   --------------------------

   function New_Slice
     (First : Positive;
      Last : Natural;
      Initialize : not null access procedure (S : out String))
     return Slice
   is
      Data : constant  String_Refs.Data_Access := new String (First .. Last);
      Ref : constant String_Refs.Immutable_Reference
        := String_Refs.Create (Data);
   begin
      Initialize (Data.all);
      return Slice'(Bounds => (First, Last + 1 - First), Ref => Ref);
   end New_Slice;


   function To_Slice (S : String) return Slice is
      function Create return String;

      function Create return String is
      begin
         return S;
︙

Modified src/natools-string_slices.ads from [865a368eb3] to [57bd0c9847]. 

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------------------------------------------------------------------------------
-- Copyright (c) 2013-2016, Natacha Porté                                   --
-- Copyright (c) 2013-2017, Natacha Porté                                   --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --
︙
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   Null_Slice : constant Slice;


   --------------------------
   -- Conversion functions --
   --------------------------

   function New_Slice
     (First : Positive;
      Last : Natural;
      Initialize : not null access procedure (S : out String))
     return Slice;
      --  Create a callback-initialized slice

   function To_Slice (S : String) return Slice;
      --  Create a new slice containing the whole given string

   function To_String (S : Slice) return String;
      --  Return the string represented by the slice
︙

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