| // Copyright 2021 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 p | |
| func _() { | |
| _ = m[] // ERROR expected operand | |
| _ = m[x,] | |
| _ = m[x /* ERROR unexpected a */ a b c d] | |
| } | |
| // test case from the issue | |
| func f(m map[int]int) int { | |
| return m[0 // ERROR expected comma, \: or \] | |
| ] | |
| } |