mirror of
https://github.com/golang/go
synced 2024-11-26 11:48:03 -07:00
58768ae15b
assign.go:59:28: error: ‘x’ repeated on left side of := assign.go:65:20: error: ‘a’ repeated on left side of := method2.go:36:11: error: reference to method ‘val’ in type that is pointer to interface, not interface method2.go:37:11: error: reference to method ‘val’ in type that is pointer to interface, not interface Change-Id: I8f385c75a82fae4eacf4618df8f9f65932826494 Reviewed-on: https://go-review.googlesource.com/c/go/+/274447 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Than McIntosh <thanm@google.com>
42 lines
1.1 KiB
Go
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"
|
|
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 "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"
|