Beefy Boxes and Bandwidth Generously Provided by pair Networks
Think about Loose Coupling
 
PerlMonks  

Re^2: Example from perlobj failing?

by HelenCr (Monk)
on Mar 15, 2013 at 07:49 UTC ( #1023637=note: print w/ replies, xml ) Need Help??


in reply to Re: Example from perlobj failing?
in thread Example from perlobj failing?

Chromatic, NetWallah, tobyink: thank you for your explanations. Makes sense.

For the benefit of PerlMonks users: here is a corrected example, with added printouts, which are cool.

Many thanks - Helen

# Based on: http://perldoc.perl.org/perlobj.html use strict; use warnings; use parent; use 5.014; package A; sub new { return bless {}, shift; } sub speak { say 'A::speak: entered'; my $self = shift; # $self->SUPER::speak(); say 'A'; say 'A::speak: leaving'; } package B; use parent -norequire, 'A'; sub speak { say 'B::speak: entered'; my $self = shift; $self->SUPER::speak(); say 'B'; say 'B::speak: leaving'; } package C; use parent -norequire, 'B'; sub speak { say 'C::speak: entered'; my $self = shift; $self->SUPER::speak(); say 'C'; say 'C::speak: leaving'; } my $c = C->new(); say 'calling C::speak'; $c->speak(); say 'returned from C::speak';


Comment on Re^2: Example from perlobj failing?
Download Code

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1023637]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others chilling in the Monastery: (8)
As of 2015-07-08 04:37 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...









    Results (94 votes), past polls