| // errorcheck | 
 |  | 
 | // Copyright 2010 The Go Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style | 
 | // license that can be found in the LICENSE file. | 
 |  | 
 | package main | 
 |  | 
 | type T struct { | 
 | 	x, y *T | 
 | } | 
 |  | 
 | func main() { | 
 | 	// legal composite literals | 
 | 	_ = struct{}{} | 
 | 	_ = [42]int{} | 
 | 	_ = [...]int{} | 
 | 	_ = []int{} | 
 | 	_ = map[int]int{} | 
 | 	_ = T{} | 
 |  | 
 | 	// illegal composite literals: parentheses not allowed around literal type | 
 | 	_ = (struct{}){}    // ERROR "parenthesize" | 
 | 	_ = ([42]int){}     // ERROR "parenthesize" | 
 | 	_ = ([...]int){}    // ERROR "parenthesize" | 
 | 	_ = ([]int){}       // ERROR "parenthesize" | 
 | 	_ = (map[int]int){} // ERROR "parenthesize" | 
 | 	_ = (T){}           // ERROR "parenthesize" | 
 | } |