comment on

Larry combined features from different languages.

Symbol tables are common in LISP the oldest dynamic language, so you might rather ask why LISP does it that way.

I suppose it was done like this because this language prefers linked lists over lookup tables (like "hashes")

So having just one lookup table for all data types seems reasonable.

You might rather want to ask Larry why lexical variables were NOT stored in a similar structure after their introduction to Perl 5.

Cheers Rolf

(addicted to the Perl Programming Language)

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