destructuring.rb

#
# ruby splat destructuring
#

class Bar
  def qux
    42
  end
end

class Example
  def self.baz
    x = [1, 2, 3]
    bar(*x).qux
  end

  def self.bar(a, b, c)
    puts a
    puts b
    puts c
    Bar.new
  end

  def self.foo(*args)
    puts "Example#foo invoked with:"
    args.each do |arg|
      puts "arg => #{arg}"
    end
  end
end

Example.baz # prints 1, 2, 3 and returns 42
Example.foo(1,2,3) # prints 1, 2, 3 and return [1, 2, 3]