<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>Data/Generics/Any/Prelude.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE ViewPatterns #-}</span> <a name="line-2"></a> <a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Generics</span><span class='hs-varop'>.</span><span class='hs-conid'>Any</span><span class='hs-varop'>.</span><span class='hs-conid'>Prelude</span> <span class='hs-keyword'>where</span> <a name="line-4"></a> <a name="line-5"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span><span class='hs-layout'>,</span><span class='hs-varid'>tail</span><span class='hs-layout'>,</span><span class='hs-varid'>null</span><span class='hs-layout'>)</span> <a name="line-6"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Generics</span><span class='hs-varop'>.</span><span class='hs-conid'>Any</span> <a name="line-7"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <a name="line-8"></a> <a name="line-9"></a> <a name="line-10"></a><a name="head"></a><span class='hs-definition'>head</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-varid'>a</span> <a name="line-11"></a><span class='hs-definition'>head</span> <span class='hs-layout'>(</span><span class='hs-varid'>decompose</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-str'>"(:)"</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <a name="line-12"></a> <a name="line-13"></a><a name="tail"></a><span class='hs-definition'>tail</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <a name="line-14"></a><span class='hs-definition'>tail</span> <span class='hs-layout'>(</span><span class='hs-varid'>decompose</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-str'>"(:)"</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <a name="line-15"></a> <a name="line-16"></a><a name="cons"></a><span class='hs-definition'>cons</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <a name="line-17"></a><span class='hs-definition'>cons</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>compose</span> <span class='hs-varid'>y</span> <span class='hs-str'>"(:)"</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span> <a name="line-18"></a> <a name="line-19"></a><a name="null"></a><span class='hs-definition'>null</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <a name="line-20"></a><span class='hs-definition'>null</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isList</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ctor</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-str'>"[]"</span> <a name="line-21"></a> <a name="line-22"></a><a name="just_"></a><span class='hs-definition'>just_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <a name="line-23"></a><span class='hs-definition'>just_</span> <span class='hs-varid'>w</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>compose</span> <span class='hs-varid'>w</span> <span class='hs-str'>"Just"</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <a name="line-24"></a> <a name="line-25"></a><a name="nil_"></a><span class='hs-definition'>nil_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <a name="line-26"></a><span class='hs-definition'>nil_</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>compose</span> <span class='hs-varid'>w</span> <span class='hs-str'>"[]"</span> <span class='hs-conid'>[]</span> <a name="line-27"></a> <a name="line-28"></a><a name="list_"></a><span class='hs-definition'>list_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <a name="line-29"></a><span class='hs-definition'>list_</span> <span class='hs-varid'>w</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cons</span> <span class='hs-varid'>x</span> <span class='hs-varop'>$</span> <span class='hs-varid'>nil_</span> <span class='hs-varid'>w</span> <a name="line-30"></a> <a name="line-31"></a><a name="append"></a><span class='hs-definition'>append</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AnyT</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <a name="line-32"></a><span class='hs-definition'>append</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typeOf</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-varid'>typeOf</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <a name="line-33"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>y</span> <a name="line-34"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cons</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>tail</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <a name="line-35"></a> <a name="line-36"></a> <a name="line-37"></a><a name="isString"></a><span class='hs-definition'>isString</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>typeName</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-str'>"[Char]"</span> <a name="line-38"></a><a name="isList"></a><span class='hs-definition'>isList</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>typeShell</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-str'>"[]"</span> <a name="line-39"></a><a name="isMaybe"></a><span class='hs-definition'>isMaybe</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>typeShell</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-str'>"Maybe"</span> <a name="line-40"></a><a name="isTuple"></a><span class='hs-definition'>isTuple</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isJust</span> <span class='hs-varop'>$</span> <span class='hs-varid'>readTupleType</span> <span class='hs-varop'>$</span> <span class='hs-varid'>typeShell</span> <span class='hs-varid'>x</span> <a name="line-41"></a> <a name="line-42"></a><a name="fromList"></a><span class='hs-definition'>fromList</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>children</span> <span class='hs-layout'>(</span><span class='hs-varid'>compose0</span> <span class='hs-varid'>w</span> <span class='hs-str'>"(:)"</span><span class='hs-layout'>)</span> <span class='hs-varop'>!!</span> <span class='hs-num'>0</span> <a name="line-43"></a><a name="fromMaybe"></a><span class='hs-definition'>fromMaybe</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>children</span> <span class='hs-layout'>(</span><span class='hs-varid'>compose0</span> <span class='hs-varid'>w</span> <span class='hs-str'>"Just"</span><span class='hs-layout'>)</span> <span class='hs-varop'>!!</span> <span class='hs-num'>0</span> <a name="line-44"></a><a name="fromTuple"></a><span class='hs-definition'>fromTuple</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>children</span> <span class='hs-layout'>(</span><span class='hs-varid'>compose0</span> <span class='hs-varid'>w</span> <span class='hs-varop'>$</span> <span class='hs-varid'>typeShell</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <a name="line-45"></a> <a name="line-46"></a><a name="unit"></a><span class='hs-definition'>unit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AnyT</span> <span class='hs-conid'>()</span> <a name="line-47"></a><span class='hs-definition'>unit</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>()</span> <a name="line-48"></a> <a name="line-49"></a><a name="tuple"></a><span class='hs-comment'>-- Could use a witness and avoid switching on the list of tuples, but this</span> <a name="line-50"></a><span class='hs-comment'>-- presents a nicer interface</span> <a name="line-51"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Any</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Any</span> <a name="line-52"></a><span class='hs-definition'>tuple</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unit</span> <a name="line-53"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <a name="line-54"></a><span class='hs-comment'>-- $(2\7 tuple [$(1,$ Any x$)] = Any ($(1,$ x$)))</span> <a name="line-55"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x2</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-varid'>x2</span><span class='hs-layout'>)</span> <a name="line-56"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x3</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-varid'>x3</span><span class='hs-layout'>)</span> <a name="line-57"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x4</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-varid'>x4</span><span class='hs-layout'>)</span> <a name="line-58"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x4</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x5</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-varid'>x4</span><span class='hs-layout'>,</span><span class='hs-varid'>x5</span><span class='hs-layout'>)</span> <a name="line-59"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x4</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x5</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x6</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-varid'>x4</span><span class='hs-layout'>,</span><span class='hs-varid'>x5</span><span class='hs-layout'>,</span><span class='hs-varid'>x6</span><span class='hs-layout'>)</span> <a name="line-60"></a><span class='hs-definition'>tuple</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x4</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x5</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x6</span><span class='hs-layout'>,</span><span class='hs-conid'>Any</span> <span class='hs-varid'>x7</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x1</span><span class='hs-layout'>,</span><span class='hs-varid'>x2</span><span class='hs-layout'>,</span><span class='hs-varid'>x3</span><span class='hs-layout'>,</span><span class='hs-varid'>x4</span><span class='hs-layout'>,</span><span class='hs-varid'>x5</span><span class='hs-layout'>,</span><span class='hs-varid'>x6</span><span class='hs-layout'>,</span><span class='hs-varid'>x7</span><span class='hs-layout'>)</span> <a name="line-61"></a><span class='hs-definition'>tuple</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"Data.Generics.Any: Tuples of 8 elements or more are not supported by Data.Data"</span> </pre></body> </html>