1// errorcheck
2
3// Copyright 2016 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// Issue 13779: provide better error message when directly assigning to struct field in map
8
9package main
10
11func main() {
12	type person struct{ age, weight, height int }
13	students := map[string]person{"sally": person{12, 50, 32}}
14	students["sally"].age = 3 // ERROR "cannot assign to struct field .* in map"
15}
16