reflect: add TypeFor
Fixes #60088
Change-Id: I7b43d329def22c2524501ba1d6bfc73becc823d1
GitHub-Last-Rev:
becd714c4562da4a3280c3a56ebaf246e48e9f37
GitHub-Pull-Request: golang/go#61598
Reviewed-on: https://go-review.googlesource.com/c/go/+/513478
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>