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<SPAN CLASS="code"><a name=descending>descending</a> :: <a class="tref" href="./frege/prelude/PreludeBase.html#Ord">Ord</a> 𝖇 =&gt; (𝖆-&gt;𝖇) -&gt; 𝖆 -&gt; 𝖆 -&gt; <a class="tref" href="./frege/prelude/PreludeBase.html#Ordering">Ordering</a></SPAN></dt>
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<SPAN CLASS="code">descending f</SPAN> applies a projection function on both sides of <a class="fref" href="./frege/prelude/PreludeBase.html#Ord.$lt$eq$gt">Ord.&lt;=&gt;</a>, but flips arguments. Example usage:</p>
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 sortBy (descending fst) [(1, "z"), (2, "b")] == [(2, "b"), (1, "z")]</PRE>
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