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go 1: add a description of the os error changes.
I'm sure I wrote these before but they've disappeared. R=golang-dev, bradfitz, r CC=golang-dev https://golang.org/cl/5673100
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doc/go1.html
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doc/go1.html
@ -7,7 +7,7 @@
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-->
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<!-- Center the tables, and disable the 1995 3D borders -->
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<!-- Center the tables, and disable the 1995-era 3D borders -->
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<style>
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table { margin-left: auto; margin-right: auto; border-style: none; }
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hr { border-style: none; border-top: 1px solid black; }
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@ -889,7 +889,7 @@ Running <code>go fix</code> will update calls that assign the error to _.
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Calls that aren't fixed will be caught by the compiler and must be updated by hand.
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</p>
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<h3 id="bufio">The compress/flate, compress/gzip and compress/zlib packages</h3>
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<h3 id="compress">The compress/flate, compress/gzip and compress/zlib packages</h3>
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<p>
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In Go 1, the <code>NewWriterXxx</code> functions in
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@ -1418,24 +1418,44 @@ The semantic change makes it difficult for the fix tool to update automatically.
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<h3 id="os">The os package</h3>
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<p>The <code>Time</code> function has been removed; callers should use
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<p>
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The <code>Time</code> function has been removed; callers should use
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the <a href="/pkg/time/#Time"><code>Time</code></a> type from the
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<code>time</code> package.</p>
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<code>time</code> package.
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</p>
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<p>The <code>Exec</code> function has been removed; callers should use
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<code>Exec</code> from the <code>syscall</code> package, where available.</p>
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<p>
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The <code>Exec</code> function has been removed; callers should use
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<code>Exec</code> from the <code>syscall</code> package, where available.
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</p>
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<p>The <code>ShellExpand</code> function has been renamed to <a
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href="/pkg/os/#ExpandEnv"><code>ExpandEnv</code></a>.</p>
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<p>
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The <code>ShellExpand</code> function has been renamed to <a
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href="/pkg/os/#ExpandEnv"><code>ExpandEnv</code></a>.
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</p>
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<p>The <a href="/pkg/os/#NewFile"><code>NewFile</code></a> function
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<p>
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The <a href="/pkg/os/#NewFile"><code>NewFile</code></a> function
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now takes a <code>uintptr</code> fd, instead of an <code>int</code>.
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The <a href="/pkg/os/#File.Fd"><code>Fd</code></a> method on files now
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also returns a <code>uintptr</code>.</p>
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also returns a <code>uintptr</code>.
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</p>
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<p>
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There are no longer error constants such as <code>EINVAL</code>
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in the <code>os</code> package, since the set of values varied with
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the underlying operating system. There are new portable functions like
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<a href="/pkg/os/#IsPermission"><code>IsPermission</code></a>
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to test common error properties, plus a few new error values
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with more Go-like names, such as
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<a href="/pkg/os/#ErrPermission"><code>ErrPermission</code></a>
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and
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<a href="/pkg/os/#ErrNoEnv"><code>ErrNoEnv</code></a>.
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<p>
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<em>Updating</em>:
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What little code is affected will be caught by the compiler and must be updated by hand.
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Affected code will be caught by the compiler and must be updated by hand.
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</p>
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<h4 id="os_fileinfo">The os.FileInfo type</h4>
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@ -1572,7 +1592,7 @@ will need to be updated by hand.
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The compiler will catch code using the old interface.
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</p>
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<h3 id="os/signal">The os/signal package</h3>
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<h3 id="os_signal">The os/signal package</h3>
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<p>
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The <code>os/signal</code> package in Go 1 replaces the
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42
doc/go1.tmpl
42
doc/go1.tmpl
@ -793,7 +793,7 @@ Running <code>go fix</code> will update calls that assign the error to _.
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Calls that aren't fixed will be caught by the compiler and must be updated by hand.
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</p>
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<h3 id="bufio">The compress/flate, compress/gzip and compress/zlib packages</h3>
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<h3 id="compress">The compress/flate, compress/gzip and compress/zlib packages</h3>
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<p>
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In Go 1, the <code>NewWriterXxx</code> functions in
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@ -1321,24 +1321,44 @@ The semantic change makes it difficult for the fix tool to update automatically.
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<h3 id="os">The os package</h3>
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<p>The <code>Time</code> function has been removed; callers should use
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<p>
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The <code>Time</code> function has been removed; callers should use
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the <a href="/pkg/time/#Time"><code>Time</code></a> type from the
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<code>time</code> package.</p>
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<code>time</code> package.
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</p>
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<p>The <code>Exec</code> function has been removed; callers should use
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<code>Exec</code> from the <code>syscall</code> package, where available.</p>
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<p>
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The <code>Exec</code> function has been removed; callers should use
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<code>Exec</code> from the <code>syscall</code> package, where available.
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</p>
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<p>The <code>ShellExpand</code> function has been renamed to <a
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href="/pkg/os/#ExpandEnv"><code>ExpandEnv</code></a>.</p>
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<p>
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The <code>ShellExpand</code> function has been renamed to <a
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href="/pkg/os/#ExpandEnv"><code>ExpandEnv</code></a>.
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</p>
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<p>The <a href="/pkg/os/#NewFile"><code>NewFile</code></a> function
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<p>
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The <a href="/pkg/os/#NewFile"><code>NewFile</code></a> function
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now takes a <code>uintptr</code> fd, instead of an <code>int</code>.
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The <a href="/pkg/os/#File.Fd"><code>Fd</code></a> method on files now
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also returns a <code>uintptr</code>.</p>
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also returns a <code>uintptr</code>.
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</p>
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<p>
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There are no longer error constants such as <code>EINVAL</code>
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in the <code>os</code> package, since the set of values varied with
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the underlying operating system. There are new portable functions like
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<a href="/pkg/os/#IsPermission"><code>IsPermission</code></a>
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to test common error properties, plus a few new error values
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with more Go-like names, such as
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<a href="/pkg/os/#ErrPermission"><code>ErrPermission</code></a>
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and
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<a href="/pkg/os/#ErrNoEnv"><code>ErrNoEnv</code></a>.
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<p>
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<em>Updating</em>:
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What little code is affected will be caught by the compiler and must be updated by hand.
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Affected code will be caught by the compiler and must be updated by hand.
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</p>
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<h4 id="os_fileinfo">The os.FileInfo type</h4>
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@ -1457,7 +1477,7 @@ will need to be updated by hand.
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The compiler will catch code using the old interface.
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</p>
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<h3 id="os/signal">The os/signal package</h3>
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<h3 id="os_signal">The os/signal package</h3>
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<p>
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The <code>os/signal</code> package in Go 1 replaces the
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