"escape" as in "the compiler's escape analysis decides to put it on the
heap, instead of the stack". You can compile using `-gcflags=-m` to test
that yourself.
On Tue, Jun 1, 2021 at 6:39 PM Robert Glonek <rob...@glonek.co.uk> wrote:
> What do you mean by escape? It prints the ptr to y, like the previous
> prints the ptr to x. Y is the same pointer throughout, as it should be.
>
> On Tuesday, 1 June 2021 at 14:51:50 UTC+1 tapi...@gmail.com wrote:
>
>>
>> package main
>>
>> func newIntPtr(n int) *int {
>> return &n
>> }
>>
>> func main() {
>> x := newIntPtr(3)
>> y := newIntPtr(5)
>> c := make(chan bool)
>> go func() {
>> *y++
>> close(c)
>> }()
>> <-c
>> println(*x, *y)
>> println(&x)
>> //println(&y) // This line makes y escape.
>> }
>>
>> --
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