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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- G N A T --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 1992-2018, AdaCore --
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- This is the parent package for a library of useful units provided with GNAT
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33
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34 package GNAT is
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35 pragma Pure;
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36
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37 -- The following type denotes the range of buckets for various hashed
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38 -- data structures in the GNAT unit hierarchy.
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39
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40 type Bucket_Range_Type is mod 2 ** 32;
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41
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42 -- The following exception is raised whenever an attempt is made to mutate
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43 -- the state of a data structure that is being iterated on.
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44
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45 Iterated : exception;
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46
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47 -- The following exception is raised when an iterator is exhausted and
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48 -- further attempts are made to advance it.
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49
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50 Iterator_Exhausted : exception;
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51
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52 -- The following exception is raised whenever an attempt is made to mutate
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53 -- the state of a data structure that has not been created yet.
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54
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55 Not_Created : exception;
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56
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57 end GNAT;
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