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| author | Robert Griesemer <gri@golang.org> | 2024-04-23 17:30:02 -0700 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-04-25 01:05:15 +0000 |
| commit | db5f2b415399da9b653e68aa03f23ce661cc5339 (patch) | |
| tree | 95bac644ac85e4ca4163f1db6c9a5442fd06115c | |
| parent | 4351af68eb053973f8782bf1514358e4a8d1ab00 (diff) | |
| download | go-db5f2b415399da9b653e68aa03f23ce661cc5339.tar.gz go-db5f2b415399da9b653e68aa03f23ce661cc5339.zip | |
spec: clarify when a range expression is evaluated
If the range expression is a numeric constant, the
range expression is also not evaluated.
Change-Id: I97201e5c136d3d1a87ed1500b19b7199b30bc9ff
Reviewed-on: https://go-review.googlesource.com/c/go/+/581298
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
| -rw-r--r-- | doc/go_spec.html | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/go_spec.html b/doc/go_spec.html index 0fd12bf4b5..f5069f62d6 100644 --- a/doc/go_spec.html +++ b/doc/go_spec.html @@ -1,6 +1,6 @@ <!--{ "Title": "The Go Programming Language Specification", - "Subtitle": "Language version go1.22 (Feb 6, 2024)", + "Subtitle": "Language version go1.22 (April 24, 2024)", "Path": "/ref/spec" }--> @@ -6644,8 +6644,8 @@ the range clause is equivalent to the same clause without that identifier. <p> The range expression <code>x</code> is evaluated once before beginning the loop, -with one exception: if at most one iteration variable is present and -<code>len(x)</code> is <a href="#Length_and_capacity">constant</a>, +with one exception: if at most one iteration variable is present and <code>x</code> or +<a href="#Length_and_capacity"><code>len(x)</code></a> is <a href="#Constants">constant</a>, the range expression is not evaluated. </p> |