[
  (function_definition
--    parameters: (_) @params
++    parameters: (_)? @params
    body: (_) @body
  ) @func
  (lambda
--    parameters: (_) @params
++    parameters: (_)? @params
    body: (_) @body
  )@func
] {
  node @func.call
  node return_value
  node drop_scope

  edge @func.call -> return_value

++  if some @params {
    edge @body.before_scope -> @params.after_scope
++  }
  edge @body.before_scope -> drop_scope
  edge drop_scope -> @func.bottom
  attr (drop_scope) type = "drop_scopes"
  attr (@func.call) pop_scoped_symbol = "()"
++  if some @params {
    edge @params.before_scope -> JUMP_TO_SCOPE_NODE
++  }
  attr (return_value) is_exported
  let @func.function_returns = return_value
}