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Newsgroups: comp.lang.ada
Date: Wed, 14 Oct 2015 08:25:43 -0700 (PDT)
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Subject: Re: Issue with SPARK 2014
From: Serge Robyns <serge.robyns@gmail.com>
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Xref: news.eternal-september.org comp.lang.ada:27975
Date: 2015-10-14T08:25:43-07:00
List-Id: <comp.lang.ada>

On Tuesday, 13 October 2015 23:40:42 UTC+3, joak...@kth.se  wrote:
> Dear Serge,
> 
> Please make a compilable example and put the code for example on github. As the code stands now it is not known exactly what Number_Of_Columns and Columns are.
> 
> Best regards,
> Joakim Strandberg

These are the most important definitions:

   Number_Of_Columns : constant := 7;
   First_Column : constant := 1;
   First_Row : constant := 1;
   Winning_Move : constant := 4;
   Nil_Move : constant := 0;

   type Player_Type is (Nobody, Human, Computer);
   type Board_Type is private;

   subtype Move_Range is Natural range Nil_Move .. Number_Of_Columns;
   type Valid_Move_Range is range First_Column .. Number_Of_Columns;
   subtype Column_Range is Valid_Move_Range;
   subtype Row_Range is Valid_Move_Range;

   type Moves is new Move_Range;
   type Columns is new Column_Range;
   type Rows is new Row_Range;

Some of these could have been done differently in Ada2012 (but the code dates from 95 days).