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39 lines
742 B
39 lines
742 B
4 months ago
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// errorcheck
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test that interface{M()} = *interface{M()} produces a compiler error.
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// Does not compile.
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package main
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type Inst interface {
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Next() *Inst
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}
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type Regexp struct {
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code []Inst
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start Inst
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}
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type Start struct {
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foo *Inst
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}
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func (start *Start) Next() *Inst { return nil }
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func AddInst(Inst) *Inst {
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print("ok in addinst\n")
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return nil
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}
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func main() {
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print("call addinst\n")
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var x Inst = AddInst(new(Start)) // ERROR "pointer to interface"
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print("return from addinst\n")
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var y *Inst = new(Start) // ERROR "pointer to interface|incompatible type"
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}
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