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Update HTML docs for try/protect

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mpeterv 2016-02-16 11:44:02 +03:00
parent 0cf7161886
commit e7b68bb49c
1 changed files with 5 additions and 10 deletions
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doc/socket.html
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@ -220,13 +220,6 @@ Returns an equivalent function that instead of throwing exceptions,
returns <tt><b>nil</b></tt> followed by an error message. returns <tt><b>nil</b></tt> followed by an error message.
</p> </p>
<p class=note>
Note: Beware that if your function performs some illegal operation that
raises an error, the protected function will catch the error and return it
as a string. This is because the <a href=#try><tt>try</tt></a> function
uses errors as the mechanism to throw exceptions.
</p>
<!-- select +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ --> <!-- select +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<p class=name id=select> <p class=name id=select>
@ -424,8 +417,7 @@ socket.<b>try(</b>ret<sub>1</sub> [, ret<sub>2</sub> ... ret<sub>N</sub>]<b>)</b
<p class=description> <p class=description>
Throws an exception in case of error. The exception can only be caught Throws an exception in case of error. The exception can only be caught
by the <a href=#protect><tt>protect</tt></a> function. It does not explode by the <a href=#protect><tt>protect</tt></a> function.
into an error message.
</p> </p>
<p class=parameters> <p class=parameters>
@ -436,7 +428,10 @@ nested with <tt>try</tt>.
<p class=return> <p class=return>
The function returns <tt>ret</tt><sub>1</sub> to <tt>ret</tt><sub>N</sub> if The function returns <tt>ret</tt><sub>1</sub> to <tt>ret</tt><sub>N</sub> if
<tt>ret</tt><sub>1</sub> is not <tt><b>nil</b></tt>. Otherwise, it calls <tt>error</tt> passing <tt>ret</tt><sub>2</sub>. <tt>ret</tt><sub>1</sub> is not <tt><b>nil</b></tt> or <tt><b>false</b></tt>.
Otherwise, it calls <tt>error</tt> passing <tt>ret</tt><sub>2</sub> wrapped
in a table with metatable used by <a href=#protect><tt>protect</tt></a> to
distinguish exceptions from runtime errors.
</p> </p>
<pre class=example> <pre class=example>