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Diffstat (limited to 'doc/go1.6.html')
| -rw-r--r-- | doc/go1.6.html | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/doc/go1.6.html b/doc/go1.6.html index b4a3900aa0..17c3536aeb 100644 --- a/doc/go1.6.html +++ b/doc/go1.6.html @@ -1,5 +1,5 @@ <!--{ - "Title": "Go 1.6 Release Notes DRAFT", + "Title": "Go 1.6 Release Notes", "Path": "/doc/go1.6", "Template": true }--> @@ -13,13 +13,6 @@ Edit .,s;^([a-z][A-Za-z0-9_/]+)\.([A-Z][A-Za-z0-9_]+\.)?([A-Z][A-Za-z0-9_]+)([ . ul li { margin: 0.5em 0; } </style> -<p> -<i>NOTE: This is a DRAFT of the Go 1.6 release notes, prepared for the Go 1.6 beta. -Go 1.6 has NOT yet been released. -By our regular schedule, it is expected some time in February 2016. -</i> -</p> - <h2 id="introduction">Introduction to Go 1.6</h2> <p> @@ -70,9 +63,12 @@ On NaCl, Go 1.5 required SDK version pepper-41. Go 1.6 adds support for later SDK versions. </p> -<pre> -TODO: CX no longer available on 386 assembly? (https://golang.org/cl/16386) -</pre> +<p> +On 32-bit x86 systems using the <code>-dynlink</code> or <code>-shared</code> compilation modes, +the register CX is now overwritten by certain memory references and should +be avoided in hand-written assembly. +See the <a href="/doc/asm#x86">assembly documentation</a> for details. +</p> <h2 id="tools">Tools</h2> @@ -248,7 +244,7 @@ Some programs may run faster, some slower. On average the programs in the Go 1 benchmark suite run a few percent faster in Go 1.6 than they did in Go 1.5. The garbage collector's pauses are even lower than in Go 1.5, -although the effect is likely only noticeable for programs using +especially for programs using a large amount of memory. </p> @@ -569,7 +565,7 @@ The <a href="/pkg/debug/elf/"><code>debug/elf</code></a> package adds support for general compressed ELF sections. User code needs no updating: the sections are decompressed automatically when read. However, compressed -<a href="/pkg/debug/elf/#Section"><code>Section</code></a>'s do not support random access: +<a href="/pkg/debug/elf/#Section"><code>Sections</code></a> do not support random access: they have a nil <code>ReaderAt</code> field. </li> @@ -632,7 +628,6 @@ In previous releases, the argument to <code>*</code> was required to have type < Also in the <a href="/pkg/fmt/"><code>fmt</code></a> package, <a href="/pkg/fmt/#Scanf"><code>Scanf</code></a> can now scan hexadecimal strings using %X, as an alias for %x. Both formats accept any mix of upper- and lower-case hexadecimal. -<a href="https://golang.org/issues/13585">TODO: Keep?</a> </li> <li> @@ -717,9 +712,6 @@ Second, DNS lookup functions such as <a href="/pkg/net/#LookupAddr"><code>LookupAddr</code></a> now return rooted domain names (with a trailing dot) on Plan 9 and Windows, to match the behavior of Go on Unix systems. -TODO: Third, lookups satisfied from /etc/hosts now add a trailing dot as well, -so that looking up 127.0.0.1 typically now returns “localhost.” not “localhost”. -This is arguably a mistake but is not yet fixed. See https://golang.org/issue/13564. </li> <li> @@ -875,16 +867,18 @@ should only be used when contention has been observed. <li> The <a href="/pkg/strconv/"><code>strconv</code></a> package adds <a href="/pkg/strconv/#IsGraphic"><code>IsGraphic</code></a>, +similar to <a href="/pkg/strconv/#IsPrint"><code>IsPrint</code></a>. +It also adds <a href="/pkg/strconv/#QuoteToGraphic"><code>QuoteToGraphic</code></a>, <a href="/pkg/strconv/#QuoteRuneToGraphic"><code>QuoteRuneToGraphic</code></a>, <a href="/pkg/strconv/#AppendQuoteToGraphic"><code>AppendQuoteToGraphic</code></a>, and <a href="/pkg/strconv/#AppendQuoteRuneToGraphic"><code>AppendQuoteRuneToGraphic</code></a>, analogous to -<a href="/pkg/strconv/#IsPrint"><code>IsPrint</code></a>, -<a href="/pkg/strconv/#QuoteToPrint"><code>QuoteToPrint</code></a>, +<a href="/pkg/strconv/#QuoteToASCII"><code>QuoteToASCII</code></a>, +<a href="/pkg/strconv/#QuoteRuneToASCII"><code>QuoteRuneToASCII</code></a>, and so on. -The <code>Print</code> family escapes all space characters except ASCII space (U+0020). +The <code>ASCII</code> family escapes all space characters except ASCII space (U+0020). In contrast, the <code>Graphic</code> family does not escape any Unicode space characters (category Zs). </li> |