bug277.go

     1  // compile
     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  // Test cases for conversion syntax.
     8  
     9  package main
    10  
    11  type (
    12  	A [3]int
    13  	S struct {
    14  		x int
    15  	}
    16  	P *S
    17  	F func(x int) int
    18  	I interface {
    19  		m(x int) int
    20  	}
    21  	L []int
    22  	M map[string]int
    23  	C chan int
    24  )
    25  
    26  func (s S) m(x int) int { return x }
    27  
    28  var (
    29  	a A = [...]int{1, 2, 3}
    30  	s S = struct{ x int }{0}
    31  	p P = &s
    32  	f F = func(x int) int { return x }
    33  	i I = s
    34  	l L = []int{}
    35  	m M = map[string]int{"foo": 0}
    36  	c C = make(chan int)
    37  )
    38  
    39  func main() {
    40  	a = A(a)
    41  	a = [3]int(a)
    42  	s = struct {
    43  		x int
    44  	}(s)
    45  	p = (*S)(p)
    46  	f = func(x int) int(f)
    47  	i = (interface {
    48  		m(x int) int
    49  	})(s) // this is accepted by 6g
    50  	i = interface {
    51  		m(x int) int
    52  	}(s) // this is not accepted by 6g (but should be)
    53  	l = []int(l)
    54  	m = map[string]int(m)
    55  	c = chan int(c)
    56  	_ = chan<- int(c)
    57  	_ = <-(chan int)(c)
    58  	_ = <-(<-chan int)(c)
    59  }
    60  
    61  /*
    62  6g bug277.go
    63  bug277.go:46: syntax error: unexpected (, expecting {
    64  bug277.go:50: syntax error: unexpected interface
    65  bug277.go:53: non-declaration statement outside function body
    66  bug277.go:54: non-declaration statement outside function body
    67  bug277.go:55: syntax error: unexpected LCHAN
    68  bug277.go:56: syntax error: unexpected LCHAN
    69  bug277.go:57: non-declaration statement outside function body
    70  bug277.go:58: non-declaration statement outside function body
    71  bug277.go:59: syntax error: unexpected }
    72  */
    73
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