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From: "DuckE" <nospam_steved@pacifier.com>
Subject: Re: Type casting question
Date: 1999/12/20
Message-ID: <385ee7a9.0@news.pacifier.com>#1/1
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References: <385E87D8.2B44B800@tridsys.com>
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Reply-To: "DuckE" <nospam_steved@pacifier.com>
Newsgroups: comp.lang.ada
Date: 1999-12-20T00:00:00+00:00
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Raju Vemulamanda <raju@tridsys.com> wrote in message
news:385E87D8.2B44B800@tridsys.com...
> Question: Could someone please provide some solution
>   to the below?
>
> I have this question in the conversion of values
> between the string and the my own type shown below.
>
> type Bit_5 is range 2#0# .. 2#11111#;
>     for Bit_5'Size use 5;
> subtype Size_Type is Bit_5;
>
> The above is how Size_Type has been declared.
>
> val1 : Jvmfr3_Field_Types.Size_Type := 10;
>
> Suppose I have a string xxx which has the some value in it,
> How can I convert that xxx into the above declared val1?
> I have to copy xxx into val1. I need to somehow do the
> type casting for the above.

Here's a complete example:

with Ada.Text_Io;
procedure Size_Demo is

  package Text_Io renames Ada.Text_Io;

  type Bit_5 is range 2#0# .. 2#11111#;
  for Bit_5'Size use 5;
  subtype Size_Type is Bit_5;

  val1 : Size_Type;
  input_string : String(1..10);
  last_char : Natural;

begin
   Text_Io.Put( "Enter Value => " );
   Text_Io.Get_Line( input_string, last_char );
   val1 := Size_Type'Value( input_string( 1 .. last_char ) );

   Text_Io.Put_Line( "Value is: " & Size_Type'Image( val1 ) );
end Size_Demo;