golang unmarshal 代码
文件路径：/src/cmd/vet/testdata/unmarshal/unmarshal.go
// Copyright 2018 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.
// This file contains tests for the unmarshal checker.
package unmarshal
import "encoding/json"
func _() {
type t struct {
a int
}
var v t
json.Unmarshal([]byte{}, v) // ERROR "call of Unmarshal passes non-pointer as second argument"
}