-- --
-- GNAT LIBRARY COMPONENTS --
-- --
--- A D A . C O N T A I N E R S . R E D _ B L A C K _ T R E E S . --
--- G E N E R I C _ K E Y S --
+-- ADA.CONTAINERS.RED_BLACK_TREES.GENERIC_KEYS --
-- --
-- B o d y --
-- --
--- Copyright (C) 2004-2006, Free Software Foundation, Inc. --
+-- Copyright (C) 2004-2009, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
-- --
-- This unit was originally developed by Matthew J Heaney. --
------------------------------------------------------------------------------
-- is not a search and the only comparisons that occur are with
-- the hint and its neighbor.
- -- If Position is null, this is intepreted to mean that Key is
+ -- If Position is null, this is interpreted to mean that Key is
-- large relative to the nodes in the tree. If the tree is empty,
-- or Key is greater than the last node in the tree, then we're
-- done; otherwise the hint was "wrong" and we must search.
pragma Assert (Tree.Length > 0);
-- A hint can either name the node that immediately follows Key,
- -- or immediately precedes Key. We first test whether Key is is
+ -- or immediately precedes Key. We first test whether Key is
-- less than the hint, and if so we compare Key to the node that
-- precedes the hint. If Key is both less than the hint and
-- greater than the hint's preceding neighbor, then we're done;
-- equivalent node. That wouldn't break any container invariants,
-- but our rule above says that new nodes always get inserted
-- after equivalent nodes. So here we test whether Key is both
- -- less than the hint and and equal to or greater than the hint's
+ -- less than the hint and equal to or greater than the hint's
-- previous neighbor, and if so insert it before the hint.
if Is_Less_Key_Node (Key, Hint) then
OSDN Git Service
