iter: document that calling yield after terminated range loop causes runtime panic
The existing documentation isn't clear about the behaviour of when
the iterator function ignores the value returned from the yield function.
The changes here update the documentation, to explicitly explain
that.
Change-Id: I24a8198c3da63429358554169697fa466345b8fd
GitHub-Last-Rev:
86c8a2dd89dca4e05631f5c4f7087b59b0e0664b
GitHub-Pull-Request: golang/go#74561
Reviewed-on: https://go-review.googlesource.com/c/go/+/687215
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>