mirror of
https://github.com/golang/go
synced 2024-11-22 04:54:42 -07:00
38 lines
712 B
Go
38 lines
712 B
Go
// errchk $G $D/$F.go
|
|
|
|
// 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.
|
|
|
|
// Check that interface{M()} = *interface{M()} produces a compiler error.
|
|
|
|
package main
|
|
|
|
type Inst interface {
|
|
Next() *Inst
|
|
}
|
|
|
|
type Regexp struct {
|
|
code []Inst
|
|
start Inst
|
|
}
|
|
|
|
type Start struct {
|
|
foo *Inst
|
|
}
|
|
|
|
func (start *Start) Next() *Inst { return nil }
|
|
|
|
|
|
func AddInst(Inst) *Inst {
|
|
print("ok in addinst\n")
|
|
return nil
|
|
}
|
|
|
|
func main() {
|
|
print("call addinst\n")
|
|
var x Inst = AddInst(new(Start)) // ERROR "pointer to interface"
|
|
print("return from addinst\n")
|
|
var x *Inst = new(Start) // ERROR "pointer to interface"
|
|
}
|