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doc/go1.12: add some package release notes

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Change-Id: I845eab3c98a3d472c71310de4e0475045eb59d4e
Reviewed-on: https://go-review.googlesource.com/c/152619
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Andrew Bonventre 2018-12-04 16:22:26 -05:00
parent aac285c2df
commit ccb8735ba2
1 changed files with 41 additions and 10 deletions
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51
doc/go1.12.html
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@ -171,17 +171,20 @@ for {
</dl><!-- build -->
<dl id="bytes, strings"><dt><a href="/pkg/bytes, strings/">bytes, strings</a></dt>
<dl id="bytes"><dt><a href="/pkg/bytes/">bytes</a></dt>
<dd>
<p><!-- CL 137855 -->
TODO: <a href="https://golang.org/cl/137855">https://golang.org/cl/137855</a>: add ReplaceAll
The new function <a href="/pkg/bytes/#ReplaceAll"><code>ReplaceAll</code></a> returns a copy of
a byte slice with all non-overlapping instances of a value replaced by another.
</p>
<p><!-- CL 145098 -->
TODO: <a href="https://golang.org/cl/145098">https://golang.org/cl/145098</a>: fix Reader.UnreadRune returning without error on a zero Reader
A pointer to a zero-value <a href="/pkg/bytes/#Reader"><code>Reader</code></a> is now
functionally equivalent to <a href="/pkg/bytes/#NewReader"><code>NewReader</code></a><code>(nil)</code>.
Prior to Go 1.12, the former could not be used as a substitute for the latter in all cases.
</p>
</dl><!-- bytes, strings -->
</dl><!-- bytes -->
<dl id="cmd,runtime"><dt><a href="/pkg/cmd,runtime/">cmd,runtime</a></dt>
<dd>
@ -214,7 +217,9 @@ for {
<dl id="database/sql"><dt><a href="/pkg/database/sql/">database/sql</a></dt>
<dd>
<p><!-- CL 145738 -->
TODO: <a href="https://golang.org/cl/145738">https://golang.org/cl/145738</a>: add support for returning cursors to client
A query cursor can now be obtained by passing a
<a href="/pkg/database/sql/#Rows"><code>*Rows</code></a>
value to the <a href="/pkg/database/sql/#Row.Scan"><code>Row.Scan</code></a> method.
</p>
</dl><!-- database/sql -->
@ -222,19 +227,34 @@ for {
<dl id="expvar"><dt><a href="/pkg/expvar/">expvar</a></dt>
<dd>
<p><!-- CL 139537 -->
TODO: <a href="https://golang.org/cl/139537">https://golang.org/cl/139537</a>: add Map.Delete
The new <a href="/pkg/expvar/#Map.Delete"><code>Delete</code></a> method allows
for deletion of key/value pairs from a <a href="/pkg/expvar/#Map"><code>Map</code></a>.
</p>
</dl><!-- expvar -->
<dl id="fmt"><dt><a href="/pkg/fmt/">fmt</a></dt>
<dd>
<p><!-- CL 129777 -->
TODO: <a href="https://golang.org/cl/129777">https://golang.org/cl/129777</a>: print values for map keys with non-reflexive equality
<p><!-- CL 142737 -->
Maps are now printed in key-sorted order to ease testing. The ordering rules are:
<ul>
<li>When applicable, nil compares low
<li>ints, floats, and strings order by <
<li>NaN compares less than non-NaN floats
<li>bool compares false before true
<li>Complex compares real, then imaginary
<li>Pointers compare by machine address
<li>Channel values compare by machine address
<li>Structs compare each field in turn
<li>Arrays compare each element in turn
<li>Interface values compare first by <code>reflect.Type</code> describing the concrete type
and then by concrete value as described in the previous rules.
</ul>
</p>
<p><!-- CL 142737 -->
TODO: <a href="https://golang.org/cl/142737">https://golang.org/cl/142737</a>: print maps in key-sorted order
<p><!-- CL 129777 -->
When printing maps, non-reflexive key values like <code>NaN</code> were previously
displayed as <code>&lt;nil&gt;</code>. As of this release, the correct values are printed.
</p>
</dl><!-- fmt -->
@ -457,6 +477,17 @@ for {
<dl id="strings"><dt><a href="/pkg/strings/">strings</a></dt>
<dd>
<p><!-- CL 137855 -->
The new function <a href="/pkg/strings/#ReplaceAll"><code>ReplaceAll</code></a> returns a copy of
a string with all non-overlapping instances of a value replaced by another.
</p>
<p><!-- CL 145098 -->
A pointer to a zero-value <a href="/pkg/strings/#Reader"><code>Reader</code></a> is now
functionally equivalent to <a href="/pkg/strings/#NewReader"><code>NewReader</code></a><code>(nil)</code>.
Prior to Go 1.12, the former could not be used as a substitute for the latter in all cases.
</p>
<p><!-- CL 122835 -->
The new <a href="/pkg/strings/#Builder.Cap"><code>Builder.Cap</code></a> method returns the capacity of the builder's underlying byte slice.
</p>