tree e205540bc07de1ecbc3e17342b917947f4be8f1a
parent 121ae4d1ccfb86bae57e0a2e5bcb012c616e70ab
author Dmitri Shuralyov <dmitshur@golang.org> 1588946100 -0400
committer Dmitri Shuralyov <dmitshur@golang.org> 1588953307 +0000

[x/tour] pic: document package

Effective Go¹ says every package should have a package comment,
and every exported name in a package should have a doc comment.

This package is mentioned in the Go tour. Let's set a good example.

¹ https://golang.org/doc/effective_go.html#commentary

Change-Id: Iac561c7530fc49d5ff17c51d925151ec8319ef24
Reviewed-on: https://go-review.googlesource.com/c/tour/+/232865
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
X-Tour-Commit: 8ec2108c3ab568fa335edadc5cd9a2c5ab5361ec