|  | // 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" | 
|  | } |