/usr/share/doc/libghc-lens-doc/html/src/System-Exit-Lens.html is in libghc-lens-doc 4.13-1.
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>src/System/Exit/Lens.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE FlexibleInstances #-}</span>
<a name="line-3"></a><span class='hs-comment'>{-# LANGUAGE MultiParamTypeClasses #-}</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 710</span>
<a name="line-6"></a><span class='hs-comment'>{-# LANGUAGE PatternSynonyms #-}</span>
<a name="line-7"></a><span class='hs-comment'>{-# LANGUAGE ViewPatterns #-}</span>
<a name="line-8"></a><span class='hs-cpp'>#endif</span>
<a name="line-9"></a>
<a name="line-10"></a><span class='hs-cpp'>#ifndef MIN_VERSION_base</span>
<a name="line-11"></a><span class='hs-cpp'>#define MIN_VERSION_base(x,y,z) 1</span>
<a name="line-12"></a><span class='hs-cpp'>#endif</span>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-15"></a><span class='hs-comment'>-- |</span>
<a name="line-16"></a><span class='hs-comment'>-- Module : System.Exit.Lens</span>
<a name="line-17"></a><span class='hs-comment'>-- Copyright : (C) 2013-15 Edward Kmett</span>
<a name="line-18"></a><span class='hs-comment'>-- License : BSD-style (see the file LICENSE)</span>
<a name="line-19"></a><span class='hs-comment'>-- Maintainer : Edward Kmett <ekmett@gmail.com></span>
<a name="line-20"></a><span class='hs-comment'>-- Stability : provisional</span>
<a name="line-21"></a><span class='hs-comment'>-- Portability : Control.Exception</span>
<a name="line-22"></a><span class='hs-comment'>--</span>
<a name="line-23"></a><span class='hs-comment'>-- These prisms can be used with the combinators in "Control.Exception.Lens".</span>
<a name="line-24"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-25"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Exit</span><span class='hs-varop'>.</span><span class='hs-conid'>Lens</span>
<a name="line-26"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>AsExitCode</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-sel'>_ExitFailure</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-sel'>_ExitSuccess</span>
<a name="line-29"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 710</span>
<a name="line-30"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>pattern</span> <span class='hs-conid'>ExitFailure_</span>
<a name="line-31"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>pattern</span> <span class='hs-conid'>ExitSuccess_</span>
<a name="line-32"></a><span class='hs-cpp'>#endif</span>
<a name="line-33"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-34"></a>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span><span class='hs-varop'>.</span><span class='hs-conid'>Lens</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Lens</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Exit</span>
<a name="line-39"></a>
<a name="line-40"></a><span class='hs-cpp'>#if !MIN_VERSION_base(4,8,0)</span>
<a name="line-41"></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-42"></a><span class='hs-cpp'>#endif</span>
<a name="line-43"></a>
<a name="line-44"></a><a name="AsExitCode"></a><span class='hs-comment'>-- | Exit codes that a program can return with:</span>
<a name="line-45"></a><a name="AsExitCode"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>AsExitCode</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>where</span>
<a name="line-46"></a> <span class='hs-sel'>_ExitCode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Prism'</span> <span class='hs-varid'>t</span> <span class='hs-conid'>ExitCode</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="instance%20AsExitCode%20ExitCode"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>AsExitCode</span> <span class='hs-conid'>ExitCode</span> <span class='hs-keyword'>where</span>
<a name="line-49"></a> <span class='hs-sel'>_ExitCode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>id</span>
<a name="line-50"></a> <span class='hs-comment'>{-# INLINE _ExitCode #-}</span>
<a name="line-51"></a>
<a name="line-52"></a><a name="instance%20AsExitCode%20SomeException"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>AsExitCode</span> <span class='hs-conid'>SomeException</span> <span class='hs-keyword'>where</span>
<a name="line-53"></a> <span class='hs-sel'>_ExitCode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>exception</span>
<a name="line-54"></a> <span class='hs-comment'>{-# INLINE _ExitCode #-}</span>
<a name="line-55"></a>
<a name="line-56"></a><span class='hs-comment'>-- | indicates successful termination;</span>
<a name="line-57"></a><span class='hs-comment'>--</span>
<a name="line-58"></a><span class='hs-comment'>-- @</span>
<a name="line-59"></a><span class='hs-comment'>-- '_ExitSuccess' :: 'Prism'' 'ExitCode' ()</span>
<a name="line-60"></a><span class='hs-comment'>-- '_ExitSuccess' :: 'Prism'' 'SomeException' ()</span>
<a name="line-61"></a><span class='hs-comment'>-- @</span>
<a name="line-62"></a><span class='hs-sel'>_ExitSuccess</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AsExitCode</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Prism'</span> <span class='hs-varid'>t</span> <span class='hs-conid'>()</span>
<a name="line-63"></a><span class='hs-sel'>_ExitSuccess</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>_ExitCode</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dimap</span> <span class='hs-varid'>seta</span> <span class='hs-layout'>(</span><span class='hs-varid'>either</span> <span class='hs-varid'>id</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>right'</span> <span class='hs-varop'>.</span> <span class='hs-varid'>rmap</span> <span class='hs-layout'>(</span><span class='hs-conid'>ExitSuccess</span> <span class='hs-varop'><$</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-64"></a> <span class='hs-varid'>seta</span> <span class='hs-conid'>ExitSuccess</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Right</span> <span class='hs-conid'>()</span>
<a name="line-65"></a> <span class='hs-varid'>seta</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-varid'>pure</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-66"></a><span class='hs-comment'>{-# INLINE _ExitSuccess #-}</span>
<a name="line-67"></a>
<a name="line-68"></a>
<a name="line-69"></a><span class='hs-comment'>-- | indicates program failure with an exit code. The exact interpretation of the code is operating-system dependent. In particular, some values may be prohibited (e.g. 0 on a POSIX-compliant system).</span>
<a name="line-70"></a><span class='hs-comment'>--</span>
<a name="line-71"></a><span class='hs-comment'>-- @</span>
<a name="line-72"></a><span class='hs-comment'>-- '_ExitFailure' :: 'Prism'' 'ExitCode' 'Int'</span>
<a name="line-73"></a><span class='hs-comment'>-- '_ExitFailure' :: 'Prism'' 'SomeException' 'Int'</span>
<a name="line-74"></a><span class='hs-comment'>-- @</span>
<a name="line-75"></a><span class='hs-sel'>_ExitFailure</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AsExitCode</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Prism'</span> <span class='hs-varid'>t</span> <span class='hs-conid'>Int</span>
<a name="line-76"></a><span class='hs-sel'>_ExitFailure</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>_ExitCode</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dimap</span> <span class='hs-varid'>seta</span> <span class='hs-layout'>(</span><span class='hs-varid'>either</span> <span class='hs-varid'>id</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>right'</span> <span class='hs-varop'>.</span> <span class='hs-varid'>rmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-conid'>ExitFailure</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-77"></a> <span class='hs-varid'>seta</span> <span class='hs-layout'>(</span><span class='hs-conid'>ExitFailure</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>i</span>
<a name="line-78"></a> <span class='hs-varid'>seta</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-varid'>pure</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-79"></a><span class='hs-comment'>{-# INLINE _ExitFailure #-}</span>
<a name="line-80"></a>
<a name="line-81"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 710</span>
<a name="line-82"></a><a name="pattern"></a><span class='hs-definition'>pattern</span> <span class='hs-conid'>ExitSuccess_</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>has</span> <span class='hs-sel'>_ExitSuccess</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>True</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-83"></a> <span class='hs-conid'>ExitSuccess_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>review</span> <span class='hs-sel'>_ExitSuccess</span> <span class='hs-conid'>()</span>
<a name="line-84"></a>
<a name="line-85"></a><span class='hs-definition'>pattern</span> <span class='hs-conid'>ExitFailure_</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>preview</span> <span class='hs-sel'>_ExitFailure</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-86"></a> <span class='hs-conid'>ExitFailure_</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>review</span> <span class='hs-sel'>_ExitFailure</span> <span class='hs-varid'>a</span>
<a name="line-87"></a><span class='hs-cpp'>#endif</span>
</pre></body>
</html>
|