blob: 5a46bd307c7fddeca57b88b161108e5c48a252df [file] [log] [blame] [edit]
// errorcheck
// Copyright 2018 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 Stringer interface {
String() string
}
func main() {
var e interface{}
switch e := e.(type) {
case G: // ERROR "undefined: G"
e.M() // ok: this error should be ignored because the case failed its typecheck
case E: // ERROR "undefined: E"
e.D() // ok: this error should be ignored because the case failed its typecheck
case Stringer:
// ok: this error should not be ignored to prove that passing legs aren't left out
_ = e.(T) // ERROR "undefined: T"
}
}