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kyrylo/gist:4254201

Created December 10, 2012 23:07
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Empty or not empty
Raw
gistfile1.rb
if [].each do |elem|
puts "NOT EMPTY!"
end.empty?
puts "EMPTY!"
end
#EMPTY!
#=> nil
if [:piglet].each do |elem|
puts "NOT EMPTY!"
end.empty?
puts "EMPTY!"
end
# NOT EMPTY!
#=> nil
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