go/test/fixedbugs/bug340.go
Luuk van Dijk 13e92e4d75 gc: Better typechecks and errors in switches.
Allow any type in switch on interface value.
Statically check typeswitch early.

Fixes #2423.
Fixes #2424.

R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/5339045
2011-11-09 10:58:53 +01:00

18 lines
382 B
Go

// errchk $G $D/$F.go
// Copyright 2011 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 1606.
package main
func main() {
var x interface{}
switch t := x.(type) {
case 0: // ERROR "type"
t.x = 1 // ERROR "type interface \{\}|reference to undefined field or method"
}
}