Show Public Methods With Pry

Open up a pry session and use the -m flag with the ls command to show just the public methods for an object.

> ls -m :hello
Comparable#methods: <  <=  >  >=  between?
Symbol#methods:
  <=>  as_json      empty?    length              slice     to_sym
  ==   capitalize   encoding  match               succ      upcase
  ===  casecmp      id2name   next                swapcase
  =~   downcase     inspect   pretty_print_cycle  to_proc
  []   duplicable?  intern    size                to_s

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