a = -> 1
const b = --> 2
var c = ~> 3
d = ~~> 10_000_000km * 500ms
e = (a) -> (b) ~> (c) --> (d, e) ~~> 5
dashes-identifiers = ->
  a - a
  b -- c
  1-1 1- -1
  a- a
  a -a
underscores_i$d = ->
/regexp1/ and //regexp2//g
'strings' and "strings" and \strings
([2 til 10] or [1 to 50])
  |> map (* 2)
  |> filter (> 5)
  |> fold (+)

class Class extends Anc-est-or
  (args) ->

copy = (from, to, callback) -->
  error, data <- read file
  return callback error if error?
  error <~ write file, data
  return callback error if error?
  callback()

->
~>
~~>
-->
# Comment
/* Comment */