github.com/xushiwei/go@v0.0.0-20130601165731-2b9d83f45bc9/test/fixedbugs/bug300.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2010 The Go Authors.  All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  package main
     8  
     9  type T struct {
    10  	x, y *T
    11  }
    12  
    13  func main() {
    14  	// legal composite literals
    15  	_ = struct{}{}
    16  	_ = [42]int{}
    17  	_ = [...]int{}
    18  	_ = []int{}
    19  	_ = map[int]int{}
    20  	_ = T{}
    21  
    22  	// illegal composite literals: parentheses not allowed around literal type
    23  	_ = (struct{}){}    // ERROR "parenthesize"
    24  	_ = ([42]int){}     // ERROR "parenthesize"
    25  	_ = ([...]int){}    // ERROR "parenthesize"
    26  	_ = ([]int){}       // ERROR "parenthesize"
    27  	_ = (map[int]int){} // ERROR "parenthesize"
    28  	_ = (T){}           // ERROR "parenthesize"
    29  }