Editando: issue24187.go
// run //go:build amd64p32 // 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. package main import ( "bytes" "fmt" "unsafe" ) func main() { b := make([]byte, 128) for i := range b { b[i] = 1 } if bytes.IndexByte(b, 0) != -1 { panic("found 0") } for i := range b { b[i] = 0 c := b *(*int)(unsafe.Pointer(uintptr(unsafe.Pointer(&c)) + unsafe.Sizeof(uintptr(0)))) = 1<<31 - 1 if bytes.IndexByte(c, 0) != i { panic(fmt.Sprintf("missing 0 at %d\n", i)) } b[i] = 1 } }
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Kerym Chaeceran