mirror of https://go.googlesource.com/go
25 lines
721 B
Go
25 lines
721 B
Go
// 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|undefined type .*G"
|
|
e.M() // ok: this error should be ignored because the case failed its typecheck
|
|
case E: // ERROR "undefined: E|undefined type .*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|undefined type .*T"
|
|
}
|
|
}
|