Ruby array block argument splatting

gistfile1.rb

[['foo', 'bar', 'baz']].each { |array| puts array.inspect }
#=> ["foo", "bar", "baz"]

[['foo', 'bar', 'baz']].each do |first, second, third|
  puts first.inspect
  puts second.inspect
  puts third.inspect
end
#=> "foo"
#=> "bar"
#=> "baz"