Source file test/unsafe_string_data.go

     1  // run
     2  
     3  // Copyright 2022 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  package main
     8  
     9  import (
    10  	"fmt"
    11  	"reflect"
    12  	"unsafe"
    13  )
    14  
    15  func main() {
    16  	var s = "abc"
    17  	sh1 := (*reflect.StringHeader)(unsafe.Pointer(&s))
    18  	ptr2 := unsafe.Pointer(unsafe.StringData(s))
    19  	if ptr2 != unsafe.Pointer(sh1.Data) {
    20  		panic(fmt.Errorf("unsafe.StringData ret %p != %p", ptr2, unsafe.Pointer(sh1.Data)))
    21  	}
    22  }
    23  

View as plain text