Pry session, show-doc string

gistfile1.rb

pry(main)> x = ""
=> ""
pry(main)> cd x
pry(""):1> show-doc chars

From: string.c in Ruby Core (C Method):
Number of lines: 11

visibility:  public
signature:  chars()

str.each_char {|cstr| block }    -> str
   str.each_char                    -> an_enumerator

Passes each character in str to the given block, or returns
an enumerator if no block is given.

   "hello".each_char {|c| print c, ' ' }

produces:

   h e l l o