/usr/share/doc/libghc-test-framework-doc/html/src/Test-Framework-Improving.html is in libghc-test-framework-doc 0.8.1.1-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | <?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://code.haskell.org/~malcolm/hscolour/ -->
<title>Test/Framework/Improving.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Test</span><span class='hs-varop'>.</span><span class='hs-conid'>Framework</span><span class='hs-varop'>.</span><span class='hs-conid'>Improving</span> <span class='hs-layout'>(</span>
<a name="line-2"></a> <span class='hs-layout'>(</span><span class='hs-conop'>:~></span><span class='hs-layout'>)</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>bimapImproving</span><span class='hs-layout'>,</span> <span class='hs-varid'>improvingLast</span><span class='hs-layout'>,</span> <span class='hs-varid'>consumeImproving</span><span class='hs-layout'>,</span>
<a name="line-3"></a> <span class='hs-conid'>ImprovingIO</span><span class='hs-layout'>,</span> <span class='hs-varid'>yieldImprovement</span><span class='hs-layout'>,</span> <span class='hs-varid'>runImprovingIO</span><span class='hs-layout'>,</span> <span class='hs-varid'>tunnelImprovingIO</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftIO</span><span class='hs-layout'>,</span>
<a name="line-4"></a> <span class='hs-varid'>timeoutImprovingIO</span><span class='hs-layout'>,</span> <span class='hs-varid'>maybeTimeoutImprovingIO</span>
<a name="line-5"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-6"></a>
<a name="line-7"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Concurrent</span>
<a name="line-8"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
<a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
<a name="line-10"></a>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Timeout</span>
<a name="line-12"></a>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-keyword'>data</span> <span class='hs-varid'>i</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Finished</span> <span class='hs-varid'>f</span>
<a name="line-15"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Improving</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-16"></a>
<a name="line-17"></a><a name="instance%20Functor%20((:~%3e)%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conop'>:~></span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-18"></a> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Finished</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Finished</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-19"></a> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Improving</span> <span class='hs-varid'>x</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Improving</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-20"></a>
<a name="line-21"></a><a name="bimapImproving"></a><span class='hs-definition'>bimapImproving</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-definition'>bimapImproving</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>g</span> <span class='hs-layout'>(</span><span class='hs-conid'>Finished</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Finished</span> <span class='hs-layout'>(</span><span class='hs-varid'>g</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-23"></a><span class='hs-definition'>bimapImproving</span> <span class='hs-varid'>f</span> <span class='hs-varid'>g</span> <span class='hs-layout'>(</span><span class='hs-conid'>Improving</span> <span class='hs-varid'>a</span> <span class='hs-varid'>improving</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Improving</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>bimapImproving</span> <span class='hs-varid'>f</span> <span class='hs-varid'>g</span> <span class='hs-varid'>improving</span><span class='hs-layout'>)</span>
<a name="line-24"></a>
<a name="line-25"></a><a name="improvingLast"></a><span class='hs-definition'>improvingLast</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
<a name="line-26"></a><span class='hs-definition'>improvingLast</span> <span class='hs-layout'>(</span><span class='hs-conid'>Finished</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>r</span>
<a name="line-27"></a><span class='hs-definition'>improvingLast</span> <span class='hs-layout'>(</span><span class='hs-conid'>Improving</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>improvingLast</span> <span class='hs-varid'>rest</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="consumeImproving"></a><span class='hs-definition'>consumeImproving</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-30"></a><span class='hs-definition'>consumeImproving</span> <span class='hs-varid'>improving</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Finished</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>improving</span><span class='hs-keyglyph'>]</span>
<a name="line-31"></a><span class='hs-definition'>consumeImproving</span> <span class='hs-varid'>improving</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Improving</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>improving</span> <span class='hs-conop'>:</span> <span class='hs-varid'>consumeImproving</span> <span class='hs-varid'>rest</span>
<a name="line-32"></a>
<a name="line-33"></a>
<a name="line-34"></a><a name="ImprovingIO"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IIO</span> <span class='hs-layout'>{</span> <span class='hs-varid'>unIIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Chan</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-layout'>}</span>
<a name="line-35"></a>
<a name="line-36"></a><a name="instance%20Functor%20(ImprovingIO%20i%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-37"></a> <span class='hs-varid'>fmap</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftM</span>
<a name="line-38"></a>
<a name="line-39"></a><a name="instance%20Applicative%20(ImprovingIO%20i%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-40"></a> <span class='hs-varid'>pure</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span>
<a name="line-41"></a> <span class='hs-layout'>(</span><span class='hs-varop'><*></span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ap</span>
<a name="line-42"></a>
<a name="line-43"></a><a name="instance%20Monad%20(ImprovingIO%20i%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-44"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-45"></a> <span class='hs-varid'>ma</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IIO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>chan</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-46"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>unIIO</span> <span class='hs-varid'>ma</span> <span class='hs-varid'>chan</span>
<a name="line-47"></a> <span class='hs-varid'>unIIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>chan</span>
<a name="line-48"></a>
<a name="line-49"></a><a name="yieldImprovement"></a><span class='hs-definition'>yieldImprovement</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-conid'>()</span>
<a name="line-50"></a><span class='hs-definition'>yieldImprovement</span> <span class='hs-varid'>improvement</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IIO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>chan</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-51"></a> <span class='hs-comment'>-- Whenever we yield an improvement, take the opportunity to yield the thread as well.</span>
<a name="line-52"></a> <span class='hs-comment'>-- The idea here is to introduce frequent yields in users so that if e.g. they get killed</span>
<a name="line-53"></a> <span class='hs-comment'>-- by the timeout code then they know about it reasonably promptly.</span>
<a name="line-54"></a> <span class='hs-varid'>yield</span>
<a name="line-55"></a> <span class='hs-varid'>writeChan</span> <span class='hs-varid'>chan</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-varid'>improvement</span><span class='hs-layout'>)</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="tunnelImprovingIO"></a><span class='hs-comment'>-- NB: could have a more general type but it would be impredicative</span>
<a name="line-58"></a><span class='hs-definition'>tunnelImprovingIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-59"></a><span class='hs-definition'>tunnelImprovingIO</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IIO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>chan</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>iio</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unIIO</span> <span class='hs-varid'>iio</span> <span class='hs-varid'>chan</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="runImprovingIO"></a><span class='hs-definition'>runImprovingIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>f</span><span class='hs-layout'>,</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-62"></a><span class='hs-definition'>runImprovingIO</span> <span class='hs-varid'>iio</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-63"></a> <span class='hs-varid'>chan</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newChan</span>
<a name="line-64"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-65"></a> <span class='hs-varid'>result</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>unIIO</span> <span class='hs-varid'>iio</span> <span class='hs-varid'>chan</span>
<a name="line-66"></a> <span class='hs-varid'>writeChan</span> <span class='hs-varid'>chan</span> <span class='hs-layout'>(</span><span class='hs-conid'>Right</span> <span class='hs-varid'>result</span><span class='hs-layout'>)</span>
<a name="line-67"></a> <span class='hs-varid'>improving_value</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getChanContents</span> <span class='hs-varid'>chan</span>
<a name="line-68"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reifyListToImproving</span> <span class='hs-varid'>improving_value</span><span class='hs-layout'>,</span> <span class='hs-varid'>action</span><span class='hs-layout'>)</span>
<a name="line-69"></a>
<a name="line-70"></a><a name="reifyListToImproving"></a><span class='hs-definition'>reifyListToImproving</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Either</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-conop'>:~></span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-71"></a><span class='hs-definition'>reifyListToImproving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-varid'>improvement</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Improving</span> <span class='hs-varid'>improvement</span> <span class='hs-layout'>(</span><span class='hs-varid'>reifyListToImproving</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-72"></a><span class='hs-definition'>reifyListToImproving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Right</span> <span class='hs-varid'>final</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Finished</span> <span class='hs-varid'>final</span>
<a name="line-73"></a><span class='hs-definition'>reifyListToImproving</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"reifyListToImproving: list finished before a final value arrived"</span>
<a name="line-74"></a>
<a name="line-75"></a><a name="liftIO"></a><span class='hs-definition'>liftIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span>
<a name="line-76"></a><span class='hs-definition'>liftIO</span> <span class='hs-varid'>io</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>const</span> <span class='hs-varid'>io</span>
<a name="line-77"></a>
<a name="line-78"></a><a name="timeoutImprovingIO"></a><span class='hs-comment'>-- | Given a number of microseconds and an improving IO action, run that improving IO action only</span>
<a name="line-79"></a><span class='hs-comment'>-- for at most the given period before giving up. See also 'System.Timeout.timeout'.</span>
<a name="line-80"></a><span class='hs-definition'>timeoutImprovingIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</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-81"></a><span class='hs-definition'>timeoutImprovingIO</span> <span class='hs-varid'>microseconds</span> <span class='hs-varid'>iio</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IIO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>chan</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>timeout</span> <span class='hs-varid'>microseconds</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unIIO</span> <span class='hs-varid'>iio</span> <span class='hs-varid'>chan</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="maybeTimeoutImprovingIO"></a><span class='hs-comment'>-- | As 'timeoutImprovingIO', but don't bother applying a timeout to the action if @Nothing@ is given</span>
<a name="line-84"></a><span class='hs-comment'>-- as the number of microseconds to apply the time out for.</span>
<a name="line-85"></a><span class='hs-definition'>maybeTimeoutImprovingIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ImprovingIO</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</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-86"></a><span class='hs-definition'>maybeTimeoutImprovingIO</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Just</span>
<a name="line-87"></a><span class='hs-definition'>maybeTimeoutImprovingIO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>microseconds</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>timeoutImprovingIO</span> <span class='hs-varid'>microseconds</span>
</pre></body>
</html>
|