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doc/go1: mime, filepath.Walk

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R=golang-dev, gri, bradfitz, adg
CC=golang-dev
https://golang.org/cl/5571060
This commit is contained in:
Rob Pike 2012-01-24 17:02:06 -08:00
parent 8eaf38cbdd
commit dd442a556e
2 changed files with 98 additions and 2 deletions
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50
doc/go1.html
View File

@ -1124,6 +1124,21 @@ and
Gofix will update almost all code affected by the change. Gofix will update almost all code affected by the change.
</p> </p>
<h3 id="mime">The mime package</h3>
<p>
In Go 1, the <a href="/pkg/mime/#FormatMediaType"><code>FormatMediaType</code></a> function
of the <code>mime</code> package has been simplified to make it
consistent with
<a href="/pkg/mime/#ParseMediaType"><code>ParseMediaType</code></a>.
It now takes <code>"text/html"</code> rather than <code>"text"</code> and <code>"html"</code>.
</p>
<p>
<em>Updating</em>:
What little code is affected will be caught by the compiler and must be updated by hand.
</p>
<h3 id="net">The net package</h3> <h3 id="net">The net package</h3>
<p> <p>
@ -1140,7 +1155,7 @@ reads and writes will time out and no longer block.
</p> </p>
<p> <p>
There is also a new <a href="/pkg/net/#DialTimeout">net.DialTimeout</code></a> method to simplify There is also a new <a href="/pkg/net/#DialTimeout"><code>net.DialTimeout</code></a> method to simplify
timing out dialing a network address. timing out dialing a network address.
</p> </p>
@ -1224,6 +1239,39 @@ and <code>os.FileMode</code> API.
Code that needs system-specific file details will need to be updated by hand. Code that needs system-specific file details will need to be updated by hand.
</p> </p>
<h3 id="path_filepath">The path/filepath package</h3>
<p>
In Go 1, the <a href="/pkg/path/filepath/#Walk"><code>Walk</code></a> function of the
<code>path/filepath</code> package
has been changed to take a function value of type
<a href="/pkg/path/filepath/#WalkFunc"><code>WalkFunc</code></a>
instead of a <code>Visitor</code> interface value.
<code>WalkFunc</code> unifies the handling of both files and directories.
</p>
<pre>
type WalkFunc func(path string, info *os.FileInfo, err os.Error) os.Error
</pre>
<p>
The <code>WalkFunc</code> function will be called even for files or directories that could not be opened;
in such cases the error argument will describe the failure.
If a directory's contents are to be skipped,
the function should return the value <code>SkipDir</code>.
</p>
<p>
<font color="red">TODO: add an example?</font>
</p>
<p>
<em>Updating</em>:
The change simplifies most code but has subtle consequences, so affected programs
will need to be updated by hand.
The compiler will catch code using the old interface.
</p>
<h3 id="runtime">The runtime package</h3> <h3 id="runtime">The runtime package</h3>
<p> <p>

50
doc/go1.tmpl
View File

@ -1027,6 +1027,21 @@ and
Gofix will update almost all code affected by the change. Gofix will update almost all code affected by the change.
</p> </p>
<h3 id="mime">The mime package</h3>
<p>
In Go 1, the <a href="/pkg/mime/#FormatMediaType"><code>FormatMediaType</code></a> function
of the <code>mime</code> package has been simplified to make it
consistent with
<a href="/pkg/mime/#ParseMediaType"><code>ParseMediaType</code></a>.
It now takes <code>"text/html"</code> rather than <code>"text"</code> and <code>"html"</code>.
</p>
<p>
<em>Updating</em>:
What little code is affected will be caught by the compiler and must be updated by hand.
</p>
<h3 id="net">The net package</h3> <h3 id="net">The net package</h3>
<p> <p>
@ -1043,7 +1058,7 @@ reads and writes will time out and no longer block.
</p> </p>
<p> <p>
There is also a new <a href="/pkg/net/#DialTimeout">net.DialTimeout</code></a> method to simplify There is also a new <a href="/pkg/net/#DialTimeout"><code>net.DialTimeout</code></a> method to simplify
timing out dialing a network address. timing out dialing a network address.
</p> </p>
@ -1127,6 +1142,39 @@ and <code>os.FileMode</code> API.
Code that needs system-specific file details will need to be updated by hand. Code that needs system-specific file details will need to be updated by hand.
</p> </p>
<h3 id="path_filepath">The path/filepath package</h3>
<p>
In Go 1, the <a href="/pkg/path/filepath/#Walk"><code>Walk</code></a> function of the
<code>path/filepath</code> package
has been changed to take a function value of type
<a href="/pkg/path/filepath/#WalkFunc"><code>WalkFunc</code></a>
instead of a <code>Visitor</code> interface value.
<code>WalkFunc</code> unifies the handling of both files and directories.
</p>
<pre>
type WalkFunc func(path string, info *os.FileInfo, err os.Error) os.Error
</pre>
<p>
The <code>WalkFunc</code> function will be called even for files or directories that could not be opened;
in such cases the error argument will describe the failure.
If a directory's contents are to be skipped,
the function should return the value <code>SkipDir</code>.
</p>
<p>
<font color="red">TODO: add an example?</font>
</p>
<p>
<em>Updating</em>:
The change simplifies most code but has subtle consequences, so affected programs
will need to be updated by hand.
The compiler will catch code using the old interface.
</p>
<h3 id="runtime">The runtime package</h3> <h3 id="runtime">The runtime package</h3>
<p> <p>