mirror of
https://github.com/golang/go.git
synced 2025-10-31 16:50:58 +00:00
7a1aa7dfaf
With this CL, the first ~500 errorcheck tests pass when running go run run.go -v -G in the $GOROOT/test directory (the log output includes a few dozen tests that are currently skipped). Change-Id: I9eaa2319fb39a090df54f8699ddc29ffe58b1bf1 Reviewed-on: https://go-review.googlesource.com/c/go/+/274975 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>
59 lines
790 B
Go
59 lines
790 B
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 compiler complains about missing implicit methods.
|
|
// Does not compile.
|
|
|
|
package main
|
|
|
|
type T int
|
|
|
|
func (t T) V()
|
|
func (t *T) P()
|
|
|
|
type V interface {
|
|
V()
|
|
}
|
|
type P interface {
|
|
P()
|
|
V()
|
|
}
|
|
|
|
type S struct {
|
|
T
|
|
}
|
|
type SP struct {
|
|
*T
|
|
}
|
|
|
|
func main() {
|
|
var t T
|
|
var v V
|
|
var p P
|
|
var s S
|
|
var sp SP
|
|
|
|
v = t
|
|
p = t // ERROR "does not implement|requires a pointer|cannot use"
|
|
_, _ = v, p
|
|
v = &t
|
|
p = &t
|
|
_, _ = v, p
|
|
|
|
v = s
|
|
p = s // ERROR "does not implement|requires a pointer|cannot use"
|
|
_, _ = v, p
|
|
v = &s
|
|
p = &s
|
|
_, _ = v, p
|
|
|
|
v = sp
|
|
p = sp // no error!
|
|
_, _ = v, p
|
|
v = &sp
|
|
p = &sp
|
|
_, _ = v, p
|
|
}
|