Re: Class array, push a new element

I think you've got a bug there; are you sure that the object contains the tasks after your push? That syntax should be

sub addTask {
    my( $self, $task ) = @_;
    push @{$self->{_tasks}}, $task;
    return $task;
}
[download]

For what you've written, the line my @taskArray = @{ $self->{_tasks} }; assigns the content of the array referenced in $self->{_tasks} to a new array @taskArray, and this new array is the one that gets the new elements.

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

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Re^2: Class array, push a new element by Anonymous Monk on Sep 07, 2014 at 22:53 UTC
I think you've got a bug there; are you sure that the object contains the tasks after your push? I think the line `@{ $self->{_tasks} } = @taskArray;` takes care of that? Anyway, your version is indeed the shorter & more efficient one. hatz, you may want to look at perlreftut and perlref.	[reply] [d/l]
Re^3: Class array, push a new element by kennethk (Abbot) on Sep 07, 2014 at 23:07 UTC
My eyes are broken. I should definitely not be working on a Sunday.... #11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.	[reply]
Re^4: Class array, push a new element by hatz (Initiate) on Sep 08, 2014 at 20:59 UTC
Thank you for your answers! Indeed the syntax you wrote looks better : `push @{$self->{_tasks}}, $task;` [download] It does not raise the warning anymore ("push on reference is experimental at Project.pm line 40"). I will get more familiar with references and how to get an array, hash or string out of one. Thank you again!	[reply] [d/l]