| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/test/ |
| Current File : //opt/golang/1.22.0/test/method2.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|type \*Val is pointer to interface, not interface"
var v Val
var pv = &v
var _ = pv.val() // ERROR "undefined|pointer to interface"
var _ = pv.val // ERROR "undefined|pointer to interface"
func (t *T) g() int { return t.a }
var _ = (T).g() // ERROR "needs pointer receiver|undefined|method requires pointer|cannot call pointer method"