our $VERSION = '1.1';
-and then in Employee.pm could you can say
+and then in Employee.pm you can say
- use Employee 1.1;
+ use Person 1.1;
And it would make sure that you have at least that version number or
higher available. This is not the same as loading in that exact version
struct 'Fred' => {
one => '$',
many => '@',
- profession => Jobbie, # calls Jobbie->new()
+ profession => 'Jobbie', # does not call Jobbie->new()
};
- $ob = Fred->new;
+ $ob = Fred->new(profession => Jobbie->new());
$ob->one("hmmmm");
$ob->many(0, "here");
user-defined types (classes). User types will be initialized by calling
that class's new() method.
+Take care that the C<Jobbie> object is not created automatically by the
+C<Fred> class's new() method, so you should specify a C<Jobbie> object
+when you create an instance of C<Fred>.
+
Here's a real-world example of using struct generation. Let's say you
wanted to override Perl's idea of gethostbyname() and gethostbyaddr() so
that they would return objects that acted like C structures. We don't