golang利用unsafe操作未导出变量-Pointer使用详解

比如也可以通过unsafe来灵活取值：

package main

import (
 "fmt"
 "unsafe"
)

func main() {
 var b []byte = []byte{'a', 'b', 'c'}
 var c *byte = &b[0]
 fmt.Println(*(*byte)(unsafe.Pointer(uintptr(unsafe.Pointer(c)) + uintptr(1))))
}