slices: add Concat
Fixes #56353
Change-Id: I985e1553e7b02237403b833e96fb5ceec890f5b8
GitHub-Last-Rev:
96a35e524c168e5004c5cd28e693437462218eeb
GitHub-Pull-Request: golang/go#60929
Reviewed-on: https://go-review.googlesource.com/c/go/+/504882
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>