tree 29fb0d453698a4152b98ec5e78dcfc52b4ec5f88
parent d9c527d6d0b47a696ffac0deae40c20e56c9e1c5
author Marcel van Lohuizen <mpvl@golang.org> 1543227106 +0100
committer Russ Cox <rsc@golang.org> 1543932569 +0000

errors/fmt: don't wrap in Errorf by default

Instead, wrap when the format ends in ": %w" instead
of ": %s" or ": %v"

Also, improved test coverage.

Change-Id: I42125f9c201230e619aaf0d61593154df8921993
Reviewed-on: https://go-review.googlesource.com/c/151258
Reviewed-by: Russ Cox <rsc@golang.org>