go/test/method2.go
Robert Griesemer 02820d61a9 [dev.typeparams] test: enable some more errorcheck tests
Change-Id: I103e3eeacd5b11efd63c965482a626878ba5ac81
Reviewed-on: https://go-review.googlesource.com/c/go/+/275216
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-12-04 21:22:23 +00:00

42 lines
1.1 KiB
Go

// errorcheck
// 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.
// Verify that pointers and interface types cannot be method receivers.
// Does not compile.
package main
type T struct {
a int
}
type P *T
type P1 *T
func (p P) val() int { return 1 } // ERROR "receiver.* pointer|invalid pointer or interface receiver|invalid receiver"
func (p *P1) val() int { return 1 } // ERROR "receiver.* pointer|invalid pointer or interface receiver|invalid receiver"
type I interface{}
type I1 interface{}
func (p I) val() int { return 1 } // ERROR "receiver.*interface|invalid pointer or interface receiver"
func (p *I1) val() int { return 1 } // ERROR "receiver.*interface|invalid pointer or interface receiver"
type Val interface {
val() int
}
var _ = (*Val).val // ERROR "method"
var v Val
var pv = &v
var _ = pv.val() // ERROR "pv.val undefined"
var _ = pv.val // ERROR "pv.val undefined"
func (t *T) g() int { return t.a }
var _ = (T).g() // ERROR "needs pointer receiver|undefined|cannot call pointer method"