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go/test/interface/pointer.go
Robert Griesemer 7a1aa7dfaf [dev.typeparams] test: adjust more test cases to match compiler -G output
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>
2020-12-03 17:55:56 +00:00

41 lines
774 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.
// Test that interface{M()} = *interface{M()} produces a compiler error.
// Does not compile.
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|incompatible type"
_ = x
print("return from addinst\n")
var y *Inst = new(Start) // ERROR "pointer to interface|incompatible type"
_ = y
}