// run // Copyright 2009 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 main type Box struct {}; var m map[string] *Box; func main() { m := make(map[string] *Box); s := "foo"; var x *Box = nil; m[s] = x; } /* bug058.go:9: illegal types for operand: INDEX (MAP[<string>*STRING]*<Box>{}) (<string>*STRING) */