Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] Obfuscated Perl Contest 2nd obfuscation, with Perl object databases Class::DBI database abstraction overview of pitfalls of Tangram trivial object-relational mapping Object Oriented Perl (Conway) objects relationships in Tangram schema and classes on-demand storage references, Tangram one-liners OO (object orientation) dynamic method resolution method calling singleton methods UNIVERSAL class op tree OpenFrame OpenInteract operators concatenation in B module numification overloading stringification Oracle overloading limitations of non-operator overloading operator overloading overview of |