Re: [go-nuts] Huge map[string]*Object and GC where *Object is from sync.Pool

[Peter Mogensen]

On 09/28/2018 03:43 PM, Ian Lance Taylor wrote:
> That statement is not subject to change.  Note that that statement
> does not say that if p1 and p2 are pointer values, and that p1 == p2,
> that uintptr(unsafe.Pointer(p1)) == uintptr(unsafe.Pointer(p2)).  You
> must not take intuitions from computer hardware into a managed memory
> language like Go.  The rules about the safe use of pointers converted
> to uintptr are written down at https://golang.org/pkg/unsafe/#Pointer
> .  Doing anything not explicitly permitted there is unsafe, where
> unsafe means that your program may suffer from arbitrary memory
> corruption and may crash at any time.


Ah yes... I'm not allowed to convert the uintptr back into a pointer.

Thanks.

/Peter

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