// 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" func (p *P1) val() int { return 1 } // ERROR "receiver.* pointer|invalid pointer or interface 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 "method" var _ = pv.val // ERROR "method"