tree bfa256f888df86392cb9cc2892b0046ca4d1de2f
parent 6c971933859436f7b3f967d112fe8422deb12d41
author Russ Cox <rsc@golang.org> 1508509990 -0400
committer Russ Cox <rsc@golang.org> 1508515552 +0000

[x/tour] tour: make Sqrt exercise more accessible

Also don't assume prior knowledge of switch statement,
which I noticed right below the Sqrt exercise.

Change-Id: I1f3e191aa924a79c822780353a526d8edaafc168
Reviewed-on: https://go-review.googlesource.com/72130
Reviewed-by: Austin Clements <austin@google.com>
X-Tour-Commit: 65fff99b2f877724f97e10c96175e2a2bef5be86