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FFI: Clarify docs wrt. 'local ffi = ...' and the interactive prompt.

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Mike Pall 2012-04-19 15:19:41 +02:00
parent 633b248109
commit 5439631460
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doc/ext_ffi_tutorial.html
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@ -93,6 +93,11 @@ Please note this doesn't define an <tt>ffi</tt> variable in the table
of globals &mdash; you really need to use the local variable. The of globals &mdash; you really need to use the local variable. The
<tt>require</tt> function ensures the library is only loaded once. <tt>require</tt> function ensures the library is only loaded once.
</p> </p>
<p style="font-size: 8pt;">
Note: If you want to experiment with the FFI from the interactive prompt
of the command line executable, omit the <tt>local</tt>, as it doesn't
preserve local variables across lines.
</p>
<h2 id="sleep">Accessing Standard System Functions</h2> <h2 id="sleep">Accessing Standard System Functions</h2>
<p> <p>