Re: How to extend packages

["Sébastien Morand" <seb.morand@gmail.com>]

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snoopysalive@googlemail.com a �crit :
> Hi, Ada-folks!
> 
> I'd like to extend the GNAT.Regpat a little bit, so that it contains
> additional operations like Split (the same as in Perl or Ruby) or Join
> (dito).
> 
> When speaking of "extending" I mean it in the sense of e.g. Java where
> extending a class means that the child class contains all the public
> or protected operations and attributes as the super class. Perhaps you
> know now, what I want to achieve. I want to have an extended "child"
> package of GNAT.Regpat. In the end it should have an own name like
> e.g. "Mine.Regex" and contain all operation etc. of its "super"
> package plus the operations I'll additionally implement.
> 
> I've been trying for hours now, so I'm passing this question to you.
> How to extend package?

Try this:

with GNAT.Regpat; use GNAT.Regpat;

package GNAT.Regpat.Extended is
end GNAT.Regpat.Extended;

Then when you use GNAT.Regpat.Extended, GNAT.Regpat is available too.
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