Re: Constructors/Destructors in Ada95

[Robert A Duff <bobduff@world.std.com>]

Francois Godme <fgodme@bigfoot.com> writes:

> Take for example, the class Person. There are no such things as a
> default birth date, a default sex or a default eyes color for
> instances of the class Person. To provide methods to later fix the
> birth date, the sex and the eyes color to appropriate values opens up
> instances to mistakes. These three instance attributes should be
> constant and hence initialized by the constructor.

You can use "(<>)" as the discriminant part to prevent default
initialization.  Then initialize the thing with a function call.
(But as you or somebody pointed out, this unfortunately does not
work for limited types.)

- Bob