gcc/ada/libgnat/a-swbwha.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT LIBRARY COMPONENTS                          --
   4 --                                                                          --
   5 --   A D A . S T R I N G S . W I D E _ B O U N D E D . W I D E _ H A S H    --
   6 --                                                                          --
   7 --                                B o d y                                   --
   8 --                                                                          --
   9 --          Copyright (C) 2004-2018, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- This unit was originally developed by Matthew J Heaney.                  --
  28 ------------------------------------------------------------------------------
  29
  30 with System.String_Hash;
  31
  32 function Ada.Strings.Wide_Bounded.Wide_Hash
  33   (Key : Bounded.Bounded_Wide_String)
  34   return Containers.Hash_Type
  35 is
  36    use Ada.Containers;
  37    function Hash is new System.String_Hash.Hash
  38      (Wide_Character, Wide_String, Hash_Type);
  39 begin
  40    return Hash (Bounded.To_Wide_String (Key));
  41 end Ada.Strings.Wide_Bounded.Wide_Hash;