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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Array slices and types
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Date: Wed, 20 Aug 2008 17:46:32 +0200
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Date: 2008-08-20T17:46:34+02:00
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On Wed, 20 Aug 2008 07:51:02 -0700 (PDT), Maciej Sobczak wrote:

> Consider this:
> 
>    type Name is new String (1 .. 10);
> 
>    N : Name;
> 
>    Some_String : String := "abc";
> 
> How can I assign Some_String to the beginning slice (ie. to the first
> three characters) of N?
> Everything that I can think of (short of copying characters
> individually) hits the type compatibility problem.

You need an unconstrained base type for this. In your case the base is
anonymous. So name it:

   type Name_Base is new String; -- The base type is now named
   subtype Name is Name_Base (1..10);
   N : Name;
   Some_String : String := "abc";
begin
   N (1..3) := Name_Base (Some_String);

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de