Re: How to pass around access types to interfaces?

[Sven <sven.weidauer@gmail.com>]

> I assume this type declaration is in the main *procedure*. This
> means that the type has a local scope and life, which prevents
> converting its values to a more long-lived access type. Try
> declaring Concrete_Type in a package; that makes it live as long as
> the whole program, and should allow such conversions.

Yeah, the declaration was in the main procedure. When moving it to a
package everything works like it's supposed to. Thanks for your help.

I guess I have still a lot to learn about Ada. I was just thinking
about the lifetime of the object. It never occured to me that a type
also has a lifetime.