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doc/go1.18: add docs for -count when benchmarking
CL 356669 Updates #47694 Change-Id: I49e0cdd3b34e81e9e44020a8eb1304d78249cd66 Reviewed-on: https://go-review.googlesource.com/c/go/+/368677 Trust: Jeremy Faller <jeremy@golang.org> Run-TryBot: Jeremy Faller <jeremy@golang.org> Reviewed-by: Michael Pratt <mpratt@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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@ -782,11 +782,17 @@ Do not send CLs removing the interior tags from such phrases.
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<dl id="testing"><dt><a href="/pkg/testing/">testing</a></dt>
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<dd>
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<p><!-- CL 343883 -->
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TODO: <a href="https://golang.org/cl/343883">https://golang.org/cl/343883</a>: increase alternation precedence
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The precedence of <code>/</code> in the argument for <code>-run</code> and
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<code>-bench</code> has been increased. <code>A/B|C/D</code> used to be
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treated as <code>A/(B|C)/D</code> and is now treated as
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<code>(A/B)/(C/D)</code>.
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</p>
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<p><!-- CL 356669 -->
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TODO: <a href="https://golang.org/cl/356669">https://golang.org/cl/356669</a>: skip extra -count iterations if there are no tests
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If the <code>-run</code> option does not select any tests, the
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<code>-count</code> option is ignored. This could change the behavior of
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existing tests in the unlikely case that a test changes the set of subtests
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that are run each time the test function itself is run.
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</p>
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</dd>
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</dl><!-- testing -->
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