> Scalars (integers, characters, strings, floats, booleans), sequences (lists/arrays) and maps (key-value pairs) as built-ins are enough to support almost all d

> Scalars (integers, characters, strings, floats, booleans), sequences (lists/arrays) and maps (key-value pairs) as built-ins are enough to support almost all data models. There is some wisdom in Larry Wall's decision to make scalars, lists, and maps the main data structures in the Perl programming language and to give them the sigils $, @, %. The considerable wealth of Perl libraries available on CPAN today demonstrates that you can support essentially all data models using these three data types.