By Arthur Del Esposte licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0)

By Arthur Del Esposte licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0)

●●●

●●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●○ require 'rubygems'

●○ require 'colorize'

●

●●

●

●

●

●

●

●

●●●●●

○ [1, 2, "oi", :boy].element_types○ {Fixnum=>2, String=>1, Symbol=>1}

●○○○○○

●●

●

●

●

○○○

●●

●

●

●

●

●

●

●

●

●

●

●

●

●

●●

●

●

●

●

●

●●

●

●

●

●

●

●

●●●

●

●●

●

●

●

●●

●

●

POSSIBILIDADES

●●●●●●●●●

●○○○○

●