n>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function" class="externalLink">Function</a>&lt;? super <a href="../Either.LeftProjection.html" title="type parameter in Either.LeftProjection">L</a>,&#8203;? extends LL&gt;&nbsp;fn)</code></th>
<td class="colLast">&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>&lt;RR&gt;&nbsp;<a href="../Either.html" title="class in io.s