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} /* Operator */ code span.ot { color: #007020; } /* Other */ code span.pp { color: #bc7a00; } /* Preprocessor */ code span.sc { color: #4070a0; } /* SpecialChar */ code span.ss { color: #bb6688; } /* SpecialString */ code span.st { color: #4070a0; } /* String */ code span.va { color: #19177c; } /* Variable */ code span.vs { color: #4070a0; } /* VerbatimString */ code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */ .display.math{display: block; text-align: center; margin: 0.5rem auto;} </style> <!--[if lt IE 9]> <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script> <![endif]--> </head> <body> <h1 id="lhs-test">lhs test</h1> <p><code>unsplit</code> is an arrow that takes a pair of values and combines them to return a single value:</p> <div class="sourceCode" id="cb1"><pre class="sourceCode haskell literate"><code class="sourceCode haskell"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="ot">unsplit ::</span> (<span class="dt">Arrow</span> a) <span class="ot">=></span> (b <span class="ot">-></span> c <span class="ot">-></span> d) <span class="ot">-></span> a (b, c) d</span> <span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a>unsplit <span class="ot">=</span> arr <span class="op">.</span> <span class="fu">uncurry</span></span> <span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a> <span class="co">-- arr (\op (x,y) -> x `op` y)</span></span></code></pre></div> <p><code>(***)</code> combines two arrows into a new arrow by running the two arrows on a pair of values (one arrow on the first item of the pair and one arrow on the second item of the pair).</p> <pre><code>f *** g = first f >>> second g</code></pre> <p>Block quote:</p> <blockquote> <p>foo bar</p> </blockquote> </body> </html>