tree 8161eeb26099458ae8896daf38c5dbca1039f5c0
parent b4a6d951098328e08b71e8d40eab6a467468db77
author hopehook <hopehook.com@gmail.com> 1657679078 +0800
committer Ian Lance Taylor <iant@google.com> 1657720660 +0000

maps: make Clone preserve nil map

The x/exp/maps.Clone function doesn't preserve nil
the way x/exp/slices.Clone does, but it should be.

Fixes golang/go#53817

Change-Id: Ib1867fb6e31d990d8b8a846e9dba8a5b6ba83c48
Reviewed-on: https://go-review.googlesource.com/c/exp/+/417274
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>