----
(function([a]){return true;});
(function([a,b]){return true;});
(function([a,b],c){return true;});
(function(x,[a,b]){return true;});
(function(x,[a,b],c){return true;});
----
([a]) ->
  true

([
  a
  b
]) ->
  true

([
  a
  b
], c) ->
  true

(x, [
  a
  b
]) ->
  true

(x, [
  a
  b
], c) ->
  true
