File: issue13779.go

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// errorcheck

// Copyright 2016 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.

// Issue 13779: provide better error message when directly assigning to struct field in map

package main

func main() {
	type person struct{ age, weight, height int }
	students := map[string]person{"sally": person{12, 50, 32}}
	students["sally"].age = 3 // ERROR "cannot assign to struct field .* in map"
}