vals = a b c d e f g

body
  for val in vals
    foo val

body
  for val in vals[0]
    foo val

body
  for val, i in vals[1..3]
    foo i unquote(':') val

body
  for msg in (error 'test') (error 'foo')
    foo msg[0] test msg[1]

body
  for char in a b c d
    for num in 0 1 2 3
      foo num char

fonts = helvetica, arial, sans-serif

body
  for font in fonts
    foo font