文件操作 - issue9017.go
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文件: /usr/share/go-1.23/test/fixedbugs/issue9017.go
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// errorcheck // Copyright 2014 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. // Issue 9017: Method selector shouldn't automatically dereference a named pointer type. package main type T struct{ x int } func (T) mT() {} type S struct { T } func (S) mS() {} type P *S type I interface { mT() } func main() { var s S s.T.mT() s.mT() // == s.T.mT() var i I _ = i i = s.T i = s var ps = &s ps.mS() ps.T.mT() ps.mT() // == ps.T.mT() i = ps.T i = ps var p P = ps (*p).mS() p.mS() // ERROR "undefined" i = *p i = p // ERROR "cannot use|incompatible types" p.T.mT() p.mT() // ERROR "undefined" i = p.T i = p // ERROR "cannot use|incompatible types" }
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