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From: =?UTF-8?B?QmrDtnJuIEx1bmRpbg==?= <b.f.lundin@gmail.com>
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Subject: Re: Problem implementing Iterators
Date: Tue, 27 Jan 2015 19:43:07 +0100
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Date: 2015-01-27T19:43:07+01:00
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On 2015-01-27 19:06, Laurent wrote:
> 
>> change
>> L1 : GL_String.List ;
>> to
>> L1 : aliased GL_String.List ;
> 
> Ok thanks works now. An easier solution than what I tried. Was writing the message while you posted yours :)

...

> Would that actually have worked? Perhaps the additional Element_Ptr was't needed at all?
> 

I do not know, but I do not think so.
You need to declare a variable as aliased if you want to use/take its
'access.

As I understand it, its only purpose is to tell the programmer that
this variable may be changed via pointers - beware ...


--
Björn