41 lines
2.3 KiB
HTML
41 lines
2.3 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="generator" content="pandoc" />
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<title></title>
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<style type="text/css">
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/*<![CDATA[*/
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table.sourceCode, tr.sourceCode, td.lineNumbers, td.sourceCode, table.sourceCode pre
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{ margin: 0; padding: 0; border: 0; vertical-align: baseline; border: none; }
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td.lineNumbers { border-right: 1px solid #AAAAAA; text-align: right; color: #AAAAAA; padding-right: 5px; padding-left: 5px; }
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td.sourceCode { padding-left: 5px; }
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code.sourceCode span.kw { color: #007020; font-weight: bold; }
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code.sourceCode span.dt { color: #902000; }
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code.sourceCode span.dv { color: #40a070; }
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code.sourceCode span.bn { color: #40a070; }
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code.sourceCode span.fl { color: #40a070; }
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code.sourceCode span.ch { color: #4070a0; }
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code.sourceCode span.st { color: #4070a0; }
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code.sourceCode span.co { color: #60a0b0; font-style: italic; }
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code.sourceCode span.ot { color: #007020; }
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code.sourceCode span.al { color: red; font-weight: bold; }
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code.sourceCode span.fu { color: #06287e; }
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code.sourceCode span.re { }
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code.sourceCode span.er { color: red; font-weight: bold; }
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/*]]>*/
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</style>
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</head>
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<body>
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<h1 id="lhs-test">lhs test</h1>
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<p><code>unsplit</code> is an arrow that takes a pair of values and combines them to return a single value:</p>
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<pre class="sourceCode"><code class="sourceCode haskell"><span class="ot">unsplit </span><span class="ot">::</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<br />unsplit <span class="fu">=</span> arr <span class="fu">.</span> <span class="fu">uncurry</span> <br /> <span class="co">-- arr (\op (x,y) -> x `op` y) </span></code></pre>
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<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>
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<pre><code>f *** g = first f >>> second g
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</code></pre>
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<p>Block quote:</p>
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<blockquote>
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<p>foo bar</p>
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</blockquote>
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</body>
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</html>
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