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| author | Matthew Dempsky <mdempsky@google.com> | 2021-06-25 11:17:43 -0700 |
|---|---|---|
| committer | Matthew Dempsky <mdempsky@google.com> | 2021-06-28 23:31:05 +0000 |
| commit | 1519271a939ad27da133318dc4bde7e6a41a35b5 (patch) | |
| tree | 38ed60e6d312ce819bf8b4de41428504c27c44df /doc | |
| parent | 5385e2386b64b10960c1b40113ee7dae271c8369 (diff) | |
| download | go-1519271a939ad27da133318dc4bde7e6a41a35b5.tar.gz go-1519271a939ad27da133318dc4bde7e6a41a35b5.zip | |
spec: change unsafe.Slice((*T)(nil), 0) to return []T(nil)
Updates #46742.
Change-Id: I044933a657cd1a5cdb29863e49751df5fe9c258a
Reviewed-on: https://go-review.googlesource.com/c/go/+/331069
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Trust: Matthew Dempsky <mdempsky@google.com>
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/go_spec.html | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/go_spec.html b/doc/go_spec.html index b59b37fd55..e0602418e8 100644 --- a/doc/go_spec.html +++ b/doc/go_spec.html @@ -1,6 +1,6 @@ <!--{ "Title": "The Go Programming Language Specification", - "Subtitle": "Version of Jun 22, 2021", + "Subtitle": "Version of Jun 28, 2021", "Path": "/ref/spec" }--> @@ -6790,10 +6790,16 @@ and whose length and capacity are <code>len</code>: </pre> <p> +As a special case, if <code>ptr</code> is <code>nil</code> and <code>len</code> is zero, +<code>Slice</code> returns <code>nil</code>. +</p> + +<p> The <code>len</code> argument must be of integer type or an untyped <a href="#Constants">constant</a>. A constant <code>len</code> argument must be non-negative and <a href="#Representability">representable</a> by a value of type <code>int</code>; if it is an untyped constant it is given type <code>int</code>. -If <code>ptr</code> is <code>nil</code> or <code>len</code> is negative at run time, +At run time, if <code>len</code> is negative, +or if <code>ptr</code> is <code>nil</code> and <code>len</code> is not zero, a <a href="#Run_time_panics">run-time panic</a> occurs. </p> |