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Diffstat (limited to 'doc/go1.16.html')
| -rw-r--r-- | doc/go1.16.html | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/doc/go1.16.html b/doc/go1.16.html index 4753cf914d..95e63d0d5a 100644 --- a/doc/go1.16.html +++ b/doc/go1.16.html @@ -43,6 +43,37 @@ Do not send CLs removing the interior tags from such phrases. <h3 id="go-command">Go command</h3> +<p><!-- golang.org/issue/24031 --> + <code>retract</code> directives may now be used in a <code>go.mod</code> file + to indicate that certain published versions of the module should not be used + by other modules. A module author may retract a version after a severe problem + is discovered or if the version was published unintentionally.<br> + TODO: write and link to section in golang.org/ref/mod<br> + TODO: write and link to tutorial or blog post +</p> + +<p><!-- golang.org/issue/29062 --> + When using <code>go test</code>, a test that + calls <code>os.Exit(0)</code> during execution of a test function + will now be considered to fail. + This will help catch cases in which a test calls code that calls + os.Exit(0) and thereby stops running all future tests. + If a <code>TestMain</code> function calls <code>os.Exit(0)</code> + that is still considered to be a passing test. +</p> + +<h4 id="all-pattern">The <code>all</code> pattern</h4> + +<p><!-- golang.org/cl/240623 --> + When the main module's <code>go.mod</code> file + declares <code>go</code> <code>1.16</code> or higher, the <code>all</code> + package pattern now matches only those packages that are transitively imported + by a package or test found in the main module. (Packages imported by <em>tests + of</em> packages imported by the main module are no longer included.) This is + the same set of packages retained + by <code>go</code> <code>mod</code> <code>vendor</code> since Go 1.11. +</p> + <p> TODO </p> @@ -90,6 +121,28 @@ Do not send CLs removing the interior tags from such phrases. TODO </p> +<h3 id="net"><a href="/pkg/net/">net</a></h3> + +<p><!-- CL 250357 --> + The case of I/O on a closed network connection, or I/O on a network + connection that is closed before any of the I/O completes, can now + be detected using the new <a href="/pkg/net/#ErrClosed">ErrClosed</a> error. + A typical use would be <code>errors.Is(err, net.ErrClosed)</code>. + In earlier releases the only way to reliably detect this case was to + match the string returned by the <code>Error</code> method + with <code>"use of closed network connection"</code>. +</p> + + +<h3 id="text/template/parse"><a href="/pkg/text/template/parse/">text/template/parse</a></h3> + +<p><!-- CL 229398, golang.org/issue/34652 --> + A new <a href="/pkg/text/template/parse/#CommentNode"><code>CommentNode</code></a> + was added to the parse tree. The <a href="/pkg/text/template/parse/#Mode"><code>Mode</code></a> + field in the <code>parse.Tree</code> enables access to it. +</p> +<!-- text/template/parse --> + <h3 id="unicode"><a href="/pkg/unicode/">unicode</a></h3> <p><!-- CL 248765 --> @@ -112,3 +165,27 @@ Do not send CLs removing the interior tags from such phrases. <p> TODO </p> + +<dl id="net/http"><dt><a href="/pkg/net/http/">net/http</a></dt> + <dd> + <p><!-- CL 233637 --> + In the <a href="/pkg/net/http/"><code>net/http</code></a> package, the + behavior of <a href="/pkg/net/http/#StripPrefix"><code>StripPrefix</code></a> + has been changed to strip the prefix from the request URL's + <code>RawPath</code> field in addition to its <code>Path</code> field. + In past releases, only the <code>Path</code> field was trimmed, and so if the + request URL contained any escaped characters the URL would be modified to + have mismatched <code>Path</code> and <code>RawPath</code> fields. + In Go 1.16, <code>StripPrefix</code> trims both fields. + If there are escaped characters in the prefix part of the request URL the + handler serves a 404 instead of its previous behavior of invoking the + underlying handler with a mismatched <code>Path</code>/<code>RawPath</code> pair. + </p> + + <p><!-- CL 252497 --> + The <a href="/pkg/net/http/"><code>net/http</code></a> package now rejects HTTP range requests + of the form <code>"Range": "bytes=--N"</code> where <code>"-N"</code> is a negative suffix length, for + example <code>"Range": "bytes=--2"</code>. It now replies with a <code>416 "Range Not Satisfiable"</code> response. + </p> + </dd> +</dl><!-- net/http --> |