<A NAME="t:QeventFilter"
><A NAME="t%3AQeventFilter"
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><B
>QeventFilter</B
> x0 x1  <SPAN CLASS="keyword"
>where</SPAN
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>Methods</TD
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><TD CLASS="decl"
><A NAME="v:eventFilter"
><A NAME="v%3AeventFilter"
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><B
>eventFilter</B
> :: x0 -&gt; x1 -&gt; IO Bool