inheap

inheap.go

package main

import (
	_ "unsafe"
	"fmt"
)

var slice = []byte("AAA")

func main() {
	buf := make([]byte, 0, 6)
	buf = append(buf, slice...)
	
	fmt.Println("is buf in heap?", inheap(&buf[0]))
	
	buf2 := make([]byte, 0, len(slice))
	buf2 = append(buf2, slice...)
	
	fmt.Println("is buf2 in heap?", inheap(&buf2[0]))
}

//go:linkname inheap runtime.inheap
//go:noescape
func inheap(ptr *byte) bool