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  ><pre
    ><span class="hs-keyword"
      >module</span
      ><span
      > </span
      ><span class="hs-identifier"
      >Classes</span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-2"
      ></span
      ><span
      >
</span
      ><span id="line-3"
      ></span
      ><span
      >
</span
      ><span id="line-4"
      ></span
      ><span class="hs-keyword"
      >class</span
      ><span
      > </span
      ><span id="Foo"
      ><span class="annot"
	><a href="Classes.html#Foo"
	  ><span class="hs-identifier hs-var"
	    >Foo</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><a href="#"
	  ><span class="hs-identifier hs-type"
	    >a</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-5"
      ></span
      ><span
      >    </span
      ><span id="bar"
      ><span class="annot"
	><a href="Classes.html#bar"
	  ><span class="hs-identifier hs-type"
	    >bar</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >::</span
      ><span
      > </span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >-&gt;</span
      ><span
      > </span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Int</span
	></span
      ><span
      >
</span
      ><span id="line-6"
      ></span
      ><span
      >    </span
      ><span id="baz"
      ><span class="annot"
	><a href="Classes.html#baz"
	  ><span class="hs-identifier hs-type"
	    >baz</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >::</span
      ><span
      > </span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Int</span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >-&gt;</span
      ><span
      > </span
      ><span class="hs-special"
      >(</span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span class="hs-special"
      >,</span
      ><span
      > </span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span class="hs-special"
      >)</span
      ><span
      >
</span
      ><span id="line-7"
      ></span
      ><span
      >
</span
      ><span id="line-8"
      ></span
      ><span class="hs-keyword"
      >instance</span
      ><span
      > </span
      ><span class="annot"
      ><a href="Classes.html#Foo"
	><span class="hs-identifier hs-type"
	  >Foo</span
	  ></a
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Int</span
	></span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-9"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >bar :: Int -&gt; Int
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var hs-var hs-var hs-var"
	    >bar</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >=</span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>Int -&gt; Int
forall a. a -&gt; a
</span
	><span class="hs-identifier hs-var"
	>id</span
	></span
      ><span
      >
</span
      ><span id="line-10"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >baz :: Int -&gt; (Int, Int)
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var hs-var hs-var hs-var"
	    >baz</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >x :: Int
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var"
	    >x</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >=</span
      ><span
      > </span
      ><span class="hs-special"
      >(</span
      ><span class="annot"
      ><span class="annottext"
	>Int
</span
	><a href="#"
	><span class="hs-identifier hs-var"
	  >x</span
	  ></a
	></span
      ><span class="hs-special"
      >,</span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>Int
</span
	><a href="#"
	><span class="hs-identifier hs-var"
	  >x</span
	  ></a
	></span
      ><span class="hs-special"
      >)</span
      ><span
      >
</span
      ><span id="line-11"
      ></span
      ><span
      >
</span
      ><span id="line-12"
      ></span
      ><span id=""
      ><span class="hs-keyword"
	>instance</span
	><span
	> </span
	><span class="annot"
	><a href="Classes.html#Foo"
	  ><span class="hs-identifier hs-type"
	    >Foo</span
	    ></a
	  ></span
	><span
	> </span
	><span class="hs-special"
	>[</span
	><span class="annot"
	><a href="#"
	  ><span class="hs-identifier hs-type"
	    >a</span
	    ></a
	  ></span
	><span class="hs-special"
	>]</span
	><span
	> </span
	><span class="hs-keyword"
	>where</span
	><span
	>
</span
	><span id="line-13"
	></span
	><span
	>    </span
	><span id=""
	><span class="annot"
	  ><span class="annottext"
	    >bar :: [a] -&gt; Int
</span
	    ><a href="#"
	    ><span class="hs-identifier hs-var hs-var hs-var hs-var"
	      >bar</span
	      ></a
	    ></span
	  ></span
	><span
	> </span
	><span class="hs-glyph"
	>=</span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >[a] -&gt; Int
forall (t :: * -&gt; *) a. Foldable t =&gt; t a -&gt; Int
</span
	  ><span class="hs-identifier hs-var"
	  >length</span
	  ></span
	><span
	>
</span
	><span id="line-14"
	></span
	><span
	>    </span
	><span id=""
	><span class="annot"
	  ><span class="annottext"
	    >baz :: Int -&gt; ([a], [a])
</span
	    ><a href="#"
	    ><span class="hs-identifier hs-var hs-var hs-var hs-var"
	      >baz</span
	      ></a
	    ></span
	  ></span
	><span
	> </span
	><span class="hs-identifier"
	>_</span
	><span
	> </span
	><span class="hs-glyph"
	>=</span
	><span
	> </span
	><span class="hs-special"
	>(</span
	><span class="hs-special"
	>[</span
	><span class="hs-special"
	>]</span
	><span class="hs-special"
	>,</span
	><span
	> </span
	><span class="hs-special"
	>[</span
	><span class="hs-special"
	>]</span
	><span class="hs-special"
	>)</span
	></span
      ><span
      >
</span
      ><span id="line-15"
      ></span
      ><span
      >
</span
      ><span id="line-16"
      ></span
      ><span
      >
</span
      ><span id="line-17"
      ></span
      ><span class="hs-keyword"
      >class</span
      ><span
      > </span
      ><span class="annot"
      ><a href="Classes.html#Foo"
	><span class="hs-identifier hs-type"
	  >Foo</span
	  ></a
	></span
      ><span
      > </span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >=&gt;</span
      ><span
      > </span
      ><span id="Foo%27"
      ><span class="annot"
	><a href="Classes.html#Foo%27"
	  ><span class="hs-identifier hs-var"
	    >Foo'</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><a href="#"
	  ><span class="hs-identifier hs-type"
	    >a</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-18"
      ></span
      ><span
      >    </span
      ><span id="quux"
      ><span class="annot"
	><a href="Classes.html#quux"
	  ><span class="hs-identifier hs-type"
	    >quux</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >::</span
      ><span
      > </span
      ><span class="hs-special"
      >(</span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span class="hs-special"
      >,</span
      ><span
      > </span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span class="hs-special"
      >)</span
      ><span
      > </span
      ><span class="hs-glyph"
      >-&gt;</span
      ><span
      > </span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span
      >
</span
      ><span id="line-19"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span class="annot"
	><a href="Classes.html#quux"
	  ><span class="hs-identifier hs-var hs-var"
	    >quux</span
	    ></a
	  ></span
	><span
	> </span
	><span class="hs-special"
	>(</span
	><span id=""
	><span class="annot"
	  ><span class="annottext"
	    >x :: a
</span
	    ><a href="#"
	    ><span class="hs-identifier hs-var"
	      >x</span
	      ></a
	    ></span
	  ></span
	><span class="hs-special"
	>,</span
	><span
	> </span
	><span id=""
	><span class="annot"
	  ><span class="annottext"
	    >y :: a
</span
	    ><a href="#"
	    ><span class="hs-identifier hs-var"
	      >y</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; a
forall a. Foo' a =&gt; [a] -&gt; a
</span
	  ><a href="Classes.html#norf"
	  ><span class="hs-identifier hs-var"
	    >norf</span
	    ></a
	  ></span
	><span
	> </span
	><span class="hs-special"
	>[</span
	><span class="annot"
	><span class="annottext"
	  >a
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var"
	    >x</span
	    ></a
	  ></span
	><span class="hs-special"
	>,</span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >a
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var"
	    >y</span
	    ></a
	  ></span
	><span class="hs-special"
	>]</span
	></span
      ><span
      >
</span
      ><span id="line-20"
      ></span
      ><span
      >
</span
      ><span id="line-21"
      ></span
      ><span
      >    </span
      ><span id="norf"
      ><span class="annot"
	><a href="Classes.html#norf"
	  ><span class="hs-identifier hs-type"
	    >norf</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >::</span
      ><span
      > </span
      ><span class="hs-special"
      >[</span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span class="hs-special"
      >]</span
      ><span
      > </span
      ><span class="hs-glyph"
      >-&gt;</span
      ><span
      > </span
      ><span class="annot"
      ><a href="#"
	><span class="hs-identifier hs-type"
	  >a</span
	  ></a
	></span
      ><span
      >
</span
      ><span id="line-22"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span class="annot"
	><a href="Classes.html#norf"
	  ><span class="hs-identifier hs-var hs-var"
	    >norf</span
	    ></a
	  ></span
	><span
	> </span
	><span class="hs-glyph"
	>=</span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >(a, a) -&gt; a
forall a. Foo' a =&gt; (a, a) -&gt; a
</span
	  ><a href="Classes.html#quux"
	  ><span class="hs-identifier hs-var"
	    >quux</span
	    ></a
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >((a, a) -&gt; a) -&gt; ([a] -&gt; (a, a)) -&gt; [a] -&gt; a
forall b c a. (b -&gt; c) -&gt; (a -&gt; b) -&gt; a -&gt; c
</span
	  ><span class="hs-operator hs-var"
	  >.</span
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >Int -&gt; (a, a)
forall a. Foo a =&gt; Int -&gt; (a, a)
</span
	  ><a href="Classes.html#baz"
	  ><span class="hs-identifier hs-var"
	    >baz</span
	    ></a
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >(Int -&gt; (a, a)) -&gt; ([a] -&gt; Int) -&gt; [a] -&gt; (a, a)
forall b c a. (b -&gt; c) -&gt; (a -&gt; b) -&gt; a -&gt; c
</span
	  ><span class="hs-operator hs-var"
	  >.</span
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >[Int] -&gt; Int
forall (t :: * -&gt; *) a. (Foldable t, Num a) =&gt; t a -&gt; a
</span
	  ><span class="hs-identifier hs-var"
	  >sum</span
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >([Int] -&gt; Int) -&gt; ([a] -&gt; [Int]) -&gt; [a] -&gt; Int
forall b c a. (b -&gt; c) -&gt; (a -&gt; b) -&gt; a -&gt; c
</span
	  ><span class="hs-operator hs-var"
	  >.</span
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >(a -&gt; Int) -&gt; [a] -&gt; [Int]
forall a b. (a -&gt; b) -&gt; [a] -&gt; [b]
</span
	  ><span class="hs-identifier hs-var"
	  >map</span
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >a -&gt; Int
forall a. Foo a =&gt; a -&gt; Int
</span
	  ><a href="Classes.html#bar"
	  ><span class="hs-identifier hs-var"
	    >bar</span
	    ></a
	  ></span
	></span
      ><span
      >
</span
      ><span id="line-23"
      ></span
      ><span
      >
</span
      ><span id="line-24"
      ></span
      ><span class="hs-keyword"
      >instance</span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><a href="Classes.html#Foo%27"
	  ><span class="hs-identifier hs-type"
	    >Foo'</span
	    ></a
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="hs-identifier hs-type"
	  >Int</span
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-25"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >norf :: [Int] -&gt; Int
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var hs-var hs-var hs-var"
	    >norf</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-glyph"
      >=</span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>[Int] -&gt; Int
forall (t :: * -&gt; *) a. (Foldable t, Num a) =&gt; t a -&gt; a
</span
	><span class="hs-identifier hs-var"
	>sum</span
	></span
      ><span
      >
</span
      ><span id="line-26"
      ></span
      ><span
      >
</span
      ><span id="line-27"
      ></span
      ><span id=""
      ><span class="hs-keyword"
	>instance</span
	><span
	> </span
	><span id=""
	><span class="annot"
	  ><a href="Classes.html#Foo%27"
	    ><span class="hs-identifier hs-type"
	      >Foo'</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="hs-special"
	  >[</span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >a</span
	      ></a
	    ></span
	  ><span class="hs-special"
	  >]</span
	  ></span
	><span
	> </span
	><span class="hs-keyword"
	>where</span
	><span
	>
</span
	><span id="line-28"
	></span
	><span
	>    </span
	><span id=""
	><span class="annot"
	  ><span class="annottext"
	    >quux :: ([a], [a]) -&gt; [a]
</span
	    ><a href="#"
	    ><span class="hs-identifier hs-var hs-var hs-var hs-var"
	      >quux</span
	      ></a
	    ></span
	  ></span
	><span
	> </span
	><span class="hs-glyph"
	>=</span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >([a] -&gt; [a] -&gt; [a]) -&gt; ([a], [a]) -&gt; [a]
forall a b c. (a -&gt; b -&gt; c) -&gt; (a, b) -&gt; c
</span
	  ><span class="hs-identifier hs-var"
	  >uncurry</span
	  ></span
	><span
	> </span
	><span class="annot"
	><span class="annottext"
	  >[a] -&gt; [a] -&gt; [a]
forall a. [a] -&gt; [a] -&gt; [a]
</span
	  ><span class="hs-operator hs-var"
	  >(++)</span
	  ></span
	></span
      ><span
      >
</span
      ><span id="line-29"
      ></span
      ><span
      >
</span
      ><span id="line-30"
      ></span
      ><span
      >
</span
      ><span id="line-31"
      ></span
      ><span class="hs-keyword"
      >class</span
      ><span
      > </span
      ><span id="Plugh"
      ><span class="annot"
	><a href="Classes.html#Plugh"
	  ><span class="hs-identifier hs-var"
	    >Plugh</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><a href="#"
	  ><span class="hs-identifier hs-type"
	    >p</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-32"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span id=""
	><span id="plugh"
	  ><span class="annot"
	    ><a href="Classes.html#plugh"
	      ><span class="hs-identifier hs-type"
		>plugh</span
		></a
	      ></span
	    ></span
	  ><span
	  > </span
	  ><span class="hs-glyph"
	  >::</span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >p</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >a</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >a</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="hs-glyph"
	  >-&gt;</span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >p</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >b</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >b</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="hs-glyph"
	  >-&gt;</span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >p</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="hs-special"
	  >(</span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >a</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="hs-glyph"
	  >-&gt;</span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >b</span
	      ></a
	    ></span
	  ><span class="hs-special"
	  >)</span
	  ><span
	  > </span
	  ><span class="hs-special"
	  >(</span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >b</span
	      ></a
	    ></span
	  ><span
	  > </span
	  ><span class="hs-glyph"
	  >-&gt;</span
	  ><span
	  > </span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >a</span
	      ></a
	    ></span
	  ><span class="hs-special"
	  >)</span
	  ></span
	></span
      ><span
      >
</span
      ><span id="line-33"
      ></span
      ><span
      >
</span
      ><span id="line-34"
      ></span
      ><span class="hs-keyword"
      >instance</span
      ><span
      > </span
      ><span class="annot"
      ><a href="Classes.html#Plugh"
	><span class="hs-identifier hs-type"
	  >Plugh</span
	  ></a
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Either</span
	></span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-35"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >plugh :: Either a a -&gt; Either b b -&gt; Either (a -&gt; b) (b -&gt; a)
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var hs-var hs-var hs-var"
	    >plugh</span
	    ></a
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-special"
      >(</span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Left</span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >a :: a
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var"
	    >a</span
	    ></a
	  ></span
	></span
      ><span class="hs-special"
      >)</span
      ><span
      > </span
      ><span class="hs-identifier"
      >_</span
      ><span
      > </span
      ><span class="hs-glyph"
      >=</span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>(b -&gt; a) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. b -&gt; Either a b
</span
	><span class="hs-identifier hs-var"
	>Right</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>((b -&gt; a) -&gt; Either (a -&gt; b) (b -&gt; a))
-&gt; (b -&gt; a) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. (a -&gt; b) -&gt; a -&gt; b
</span
	><span class="hs-operator hs-var"
	>$</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>a -&gt; b -&gt; a
forall a b. a -&gt; b -&gt; a
</span
	><span class="hs-identifier hs-var"
	>const</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>a
</span
	><a href="#"
	><span class="hs-identifier hs-var"
	  >a</span
	  ></a
	></span
      ><span
      >
</span
      ><span id="line-36"
      ></span
      ><span
      >    </span
      ><span class="annot"
      ><a href="Classes.html#plugh"
	><span class="hs-identifier hs-var"
	  >plugh</span
	  ></a
	></span
      ><span
      > </span
      ><span class="hs-special"
      >(</span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Right</span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >a :: a
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var"
	    >a</span
	    ></a
	  ></span
	></span
      ><span class="hs-special"
      >)</span
      ><span
      > </span
      ><span class="hs-identifier"
      >_</span
      ><span
      > </span
      ><span class="hs-glyph"
      >=</span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>(b -&gt; a) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. b -&gt; Either a b
</span
	><span class="hs-identifier hs-var"
	>Right</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>((b -&gt; a) -&gt; Either (a -&gt; b) (b -&gt; a))
-&gt; (b -&gt; a) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. (a -&gt; b) -&gt; a -&gt; b
</span
	><span class="hs-operator hs-var"
	>$</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>a -&gt; b -&gt; a
forall a b. a -&gt; b -&gt; a
</span
	><span class="hs-identifier hs-var"
	>const</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>a
</span
	><a href="#"
	><span class="hs-identifier hs-var"
	  >a</span
	  ></a
	></span
      ><span
      >
</span
      ><span id="line-37"
      ></span
      ><span
      >    </span
      ><span class="annot"
      ><a href="Classes.html#plugh"
	><span class="hs-identifier hs-var"
	  >plugh</span
	  ></a
	></span
      ><span
      > </span
      ><span class="hs-identifier"
      >_</span
      ><span
      > </span
      ><span class="hs-special"
      >(</span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Left</span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >b :: 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-identifier hs-var"
	>Left</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>((a -&gt; b) -&gt; Either (a -&gt; b) (b -&gt; a))
-&gt; (a -&gt; b) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. (a -&gt; b) -&gt; a -&gt; b
</span
	><span class="hs-operator hs-var"
	>$</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>b -&gt; a -&gt; b
forall a b. a -&gt; b -&gt; a
</span
	><span class="hs-identifier hs-var"
	>const</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>b
</span
	><a href="#"
	><span class="hs-identifier hs-var"
	  >b</span
	  ></a
	></span
      ><span
      >
</span
      ><span id="line-38"
      ></span
      ><span
      >    </span
      ><span class="annot"
      ><a href="Classes.html#plugh"
	><span class="hs-identifier hs-var"
	  >plugh</span
	  ></a
	></span
      ><span
      > </span
      ><span class="hs-identifier"
      >_</span
      ><span
      > </span
      ><span class="hs-special"
      >(</span
      ><span class="annot"
      ><span class="hs-identifier hs-type"
	>Right</span
	></span
      ><span
      > </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >b :: b
</span
	  ><a href="#"
	  ><span class="hs-identifier hs-var"
	    >b</span
	    ></a
	  ></span
	></span
      ><span class="hs-special"
      >)</span
      ><span
      > </span
      ><span class="hs-glyph"
      >=</span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>(a -&gt; b) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. a -&gt; Either a b
</span
	><span class="hs-identifier hs-var"
	>Left</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>((a -&gt; b) -&gt; Either (a -&gt; b) (b -&gt; a))
-&gt; (a -&gt; b) -&gt; Either (a -&gt; b) (b -&gt; a)
forall a b. (a -&gt; b) -&gt; a -&gt; b
</span
	><span class="hs-operator hs-var"
	>$</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>b -&gt; a -&gt; b
forall a b. a -&gt; b -&gt; a
</span
	><span class="hs-identifier hs-var"
	>const</span
	></span
      ><span
      > </span
      ><span class="annot"
      ><span class="annottext"
	>b
</span
	><a href="#"
	><span class="hs-identifier hs-var"
	  >b</span
	  ></a
	></span
      ><span
      >
</span
      ><span id="line-39"
      ></span
      ></pre
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>