Learning Perl Objects, References, and Modules
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object-oriented programming [See OOP] objects bless operator and as blessed references creating destruction of encapsulation of filehandles and instances and structure considerations testing with isa and can methods 2nd ok function (Test::Simple) 2nd OO (object-oriented) modules exporting exporting and non-OO versus Test::More module OOP (object-oriented programming) File::Spec module inheritance structures and overview versus non-OOP ordered lists our variables overriding methods superclass methods 2nd UNIVERSAL class methods
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