Learning Perl Objects, References, and Modules

README file   2nd   3rd  

recursively defined data  

ref operator   2nd  

reference counting

       closures and  

       defined  

       garbage collection and  

       memory management and  

       nested data structures and  

       subroutine reference example  

       weak references and  

references   [See also array reference blessed references dereferencing hash reference][See also array reference blessed references dereferencing hash reference]

       to filehandles  

        bless operator  

       destruction and  

       hierarchical data and  

       instances and   2nd   3rd   4th  

       named subroutines  

       object destruction and  

       overview  

       return values  

       as scalars  

       scoping and  

       weak references  

require operator

       @INC and  

       functionality   2nd  

       syntax errors and  

       use operation and   2nd  

require_version method (Exporter)  

return values   [See also parameters][See also parameters]

       bless operator and  

       coderefs as  

       hash references  

       required files  

       subroutine references  

       undef example  

       updated parameters  

run phase

       BEGIN keyword and  

       storage allocation