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arlandism/weird.rb

Created October 11, 2018 01:58
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weird.rb
def a
@a
end
@a = "a"
a = a + "b"
#=> NoMethodError: undefined method `+' for nil:NilClass
# from (irb):6
# from /Users/arlandis/.rvm/rubies/ruby-2.3.5/bin/irb:11:in `<main>'
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