go func4 源码
golang func4 代码
文件路径：/test/func4.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 that it is illegal to take the address of a function.
// Does not compile.
package main
var notmain func()
func main() {
var x = &main // ERROR "address of|invalid"
main = notmain // ERROR "assign to|invalid"
_ = x
}
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