From: Joe Wreschnig <joe.wreschnig@gmail.com>
Date: Sat, 13 Jun 2020 15:32:04 +0000 (+0200)
Subject: Improve Error.Error() performance
X-Git-Url: https://git.korewanetadesu.com/?p=go-signalcontext.git;a=commitdiff_plain;h=6a94085eceddccaf258cb8e384fa4aa6d428aa13;hp=6a94085eceddccaf258cb8e384fa4aa6d428aa13

Improve Error.Error() performance

‘fmt’ is unnecessary to concatenate two strings. `benchcmp` says:

    BenchmarkError-4               226           65.8          -70.88%
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