I get what it is conceptually, but I'm thinking like a multi-level hash table solution?

Yes, you could uses Hash of Hashes. H.O.P chose Array of Arrays because arrays are already ordered and perl is very good at manipulating lists and arrays; you should chose AoA so you can leverage H.O.P. , HOP::Lexer, HOP::Parser

In reply to Re^8: hrm, Eval::Compile by Anonymous Monk
in thread hrm, Eval::Compile by Logicus

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