Looking again, the second part of my question was wrong (it is a call
to `mapiterkey` and then `mapiterelem` in `Value`).
The code for Key and Value are almost identical, so the question
whether to send a change boils down whether the similarity between the
two is a benefit or a cost. I'm
On Tue, Jun 30, 2020 at 6:39 PM 'Dan Kortschak' via golang-nuts
wrote:
>
> Is there a reason not to retain the returned value from `mapiterkey` on
> line 1243 of reflect/value.go[1] for use on line 1249[2].
>
> ```
> // Key returns the key of the iterator's current map entry.
> func (it *MapIter)
Is there a reason not to retain the returned value from `mapiterkey` on
line 1243 of reflect/value.go[1] for use on line 1249[2].
```
// Key returns the key of the iterator's current map entry.
func (it *MapIter) Key() Value {
if it.it == nil {
panic("MapIter.Key called
