On 4/16/09 Thu Apr 16, 2009 2:25 PM, "Chas. Owens" <chas.ow...@gmail.com> scribbled:
> 2009/4/16 Jim Gibson <jimsgib...@gmail.com>: > snip >> This calls the new method in package vpu and assigns the return value, which >> should be a blessed scalar of some type, usually a reference to a hash, but >> it could be any scalar. > snip >> $vpu must be a blessed scalar in order to call methods on it. Packages >> netElement::vpu and vpu are not the same. >> >> It is also possible that the new() method has not returned a valid object >> (blessed scalar) for some reason. You should look at the source code for the >> new() method and see why that might be. > snip > > Nit picking: you can only bless references, not all scalars. Thanks for the clarification. I believe you can bless any scalar, but the result, the return value from the bless function, is a reference to that scalar. I always use hash references for object instances, but there are some conditions under which using a string or an integer might be advantageous. -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
