local main = () ==>

  emp = () =>

  add = (a, b) => a + b

  local a, b = 5, 8
  add(a, b)

  a += 0x10_10

--[[
  switch(a) {
    5, 8 => error 'cant',
    300 => error 'trahtarista'
      (() =>)()
      ,
    _ => print 'can',
  }
--]]

  print 'hello world'
<==
main()

{
  tst = true
}