Re: help: type and packages

["David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>]

Ralf Tita wrote in message <79g0gg$ppm$1@news.cs.tu-berlin.de>...
>Hi there,
>I'm using ADA83 and have a problem with types in differnt packeges.
>My first package looks like this:
>
>package first is
>    ...
>    type HAND_T is (open,close);
>    ...
>end first;
>
>the second package wich imports the first includes this type in a record:
>
>with first;
>use first;
>package second is
>    ...
>    type TODO_T is record
>            Hand : HAND_T;
>            movement: : MOVE_T;
>    end record;
>    ...
>end second;
>
>-- no problem.
>But when I want to use this record in a third packege wich only imports
>the second package the compiler don't knows the component HAND_T
>of the record.
>
>with second;
>use second;
>package third is
>    WhatToDo: TODO_T;
>    ...
>    WhatToDo.Hand:=open; -- here comes the compiler error
>    ....
>end third;
>
You need to say:
    WhatToDo.Hand:= First.open;

And, of course you need to add the context clause "with First;"
at the beginning of  package third.

A context clause "with some_unit", only includes that unit
into the context.


Hope this helps
David C. Hoos, Sr.