From: 7stud -- <bbxx789_05ss@...>
Date: 2011-09-10T04:28:00+09:00
Subject: Re: null pointer given - hash

Angelo Farias wrote in post #1021017:
> each and fetch hash doesn’t work

They work fine:

hash = {'a' => 10, 'b' => 20}

hash.each do |key, val|
  puts "#{key} = #{val}"
end

--output:--
a = 10
b = 20


puts hash.fetch('c', "sorry")

--output:--
sorry

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