> </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >b
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var"
	    >b</span
	    ></a
	  ></span
	></span
      ><span class="hs-special"
      >)</span
      ><span
      > </span
      ><span class="hs-glyph"
      >=</span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>(a -&gt; b) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. a -&gt; Either a b
</span
	><span class="hs-identi