1 // Copyright 2021 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4
5 package p
6
7 // error messages for parser in non-generic mode
8 func _() {
9 _ = m[] // ERROR expecting operand
10 _ = m[x,] // ERROR unexpected comma, expecting \: or \]
11 _ = m[x /* ERROR unexpected a */ a b c d]
12 }
13
14 // test case from the issue
15 func f(m map[int]int) int {
16 return m[0 // ERROR expecting \: or \]
17 ]
18 }
19
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