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From: Stephen Leake <stephen_leake@stephe-leake.org>
Newsgroups: comp.lang.ada
Subject: Re: Using the Hash function
References: <d7fc0289-2276-4b99-ab9b-20ede2ceb3ce@t7g2000vbv.googlegroups.com>
Date: Fri, 22 Jul 2011 02:33:47 -0400
Message-ID: <82y5zq4yes.fsf@stephe-leake.org>
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Date: 2011-07-22T02:33:47-04:00
List-Id: <comp.lang.ada>

iloAda <egzgheib@gmail.com> writes:

> Hello everybody!!
>
> I am trying to use the hash function of the Unbounded_Strings package!
>
> Here's the code (very simple):
>
> 1   function Unbounded_String_Hash
> 2    (U_Str : Ada.Strings.Unbounded.Unbounded_String)
> 3      return Ada.Containers.Hash_Type
> 4   is
> 5
> 6   begin
> 7
> 8    return Ada.Strings.Unbounded.Hash (U_Str);
> 9   end Unbounded_String_Hash;
>
> I is giving me the following error on line 8 when I try to compile:
> missing "with Unbounded.Hash";
>
>
> Can anybody tell me what's going on (knowing that Unbounded.Hash isn(t
> an existing package)!!

It isn't a package, it's a function. But it is declared at library
level, as a separate compilation unit. So it needs a 'with' clause.

-- 
-- Stephe