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<title>System/Console/CmdArgs/Implicit/Type.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-comment'>-- | The underlying CmdArgs type.</span>
<a name="line-4"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Console</span><span class='hs-varop'>.</span><span class='hs-conid'>CmdArgs</span><span class='hs-varop'>.</span><span class='hs-conid'>Implicit</span><span class='hs-varop'>.</span><span class='hs-conid'>Type</span><span class='hs-layout'>(</span>
<a name="line-5"></a> <span class='hs-comment'>-- cmdArgs_privateArgsSeen is exported, otherwise Haddock</span>
<a name="line-6"></a> <span class='hs-comment'>-- gets confused when using RecordWildCards</span>
<a name="line-7"></a> <span class='hs-conid'>CmdArgs</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'>cmdArgsHasValue</span><span class='hs-layout'>,</span> <span class='hs-varid'>embed</span><span class='hs-layout'>,</span> <span class='hs-varid'>reembed</span><span class='hs-layout'>,</span>
<a name="line-8"></a> <span class='hs-conid'>CmdArgsPrivate</span><span class='hs-layout'>,</span> <span class='hs-varid'>incArgsSeen</span><span class='hs-layout'>,</span> <span class='hs-varid'>getArgsSeen</span>
<a name="line-9"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</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'>Console</span><span class='hs-varop'>.</span><span class='hs-conid'>CmdArgs</span><span class='hs-varop'>.</span><span class='hs-conid'>Verbosity</span>
<a name="line-12"></a>
<a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Data</span>
<a name="line-14"></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-15"></a>
<a name="line-16"></a>
<a name="line-17"></a><a name="CmdArgs"></a><span class='hs-comment'>-- | A structure to store the additional data relating to @--help@,</span>
<a name="line-18"></a><a name="CmdArgs"></a><span class='hs-comment'>-- @--version@, @--quiet@ and @--verbose@.</span>
<a name="line-19"></a><a name="CmdArgs"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CmdArgs</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmdArgs</span>
<a name="line-20"></a> <span class='hs-layout'>{</span><span class='hs-varid'>cmdArgsValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ The underlying value being wrapped.</span>
<a name="line-21"></a> <span class='hs-layout'>,</span><span class='hs-varid'>cmdArgsHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ @Just@ if @--help@ is given, then gives the help message for display, including a trailing newline.</span>
<a name="line-22"></a> <span class='hs-layout'>,</span><span class='hs-varid'>cmdArgsVersion</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ @Just@ if @--version@ is given, then gives the version message for display, including a trailing newline.</span>
<a name="line-23"></a> <span class='hs-layout'>,</span><span class='hs-varid'>cmdArgsVerbosity</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Verbosity</span> <span class='hs-comment'>-- ^ @Just@ if @--quiet@ or @--verbose@ is given, then gives the verbosity to use.</span>
<a name="line-24"></a> <span class='hs-layout'>,</span><span class='hs-varid'>cmdArgsPrivate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CmdArgsPrivate</span> <span class='hs-comment'>-- ^ Private: Only exported due to Haddock limitations.</span>
<a name="line-25"></a> <span class='hs-layout'>}</span>
<a name="line-26"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span><span class='hs-conid'>Ord</span><span class='hs-layout'>,</span><span class='hs-conid'>Data</span><span class='hs-layout'>,</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-27"></a>
<a name="line-28"></a><a name="cmdArgsHasValue"></a><span class='hs-definition'>cmdArgsHasValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CmdArgs</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-29"></a><span class='hs-definition'>cmdArgsHasValue</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isNothing</span> <span class='hs-layout'>(</span><span class='hs-varid'>cmdArgsHelp</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>isNothing</span> <span class='hs-layout'>(</span><span class='hs-varid'>cmdArgsVersion</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-conid'>CmdArgs</span> <span class='hs-keyword'>where</span>
<a name="line-32"></a> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span><span class='hs-layout'>{</span><span class='hs-varid'>cmdArgsValue</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-varid'>cmdArgsValue</span> <span class='hs-varid'>x</span><span class='hs-layout'>}</span>
<a name="line-33"></a>
<a name="line-34"></a>
<a name="line-35"></a><a name="embed"></a><span class='hs-definition'>embed</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmdArgs</span> <span class='hs-varid'>a</span>
<a name="line-36"></a><span class='hs-definition'>embed</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmdArgs</span> <span class='hs-varid'>x</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>Nothing</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmdArgsPrivate</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="reembed"></a><span class='hs-definition'>reembed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CmdArgs</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmdArgs</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-39"></a><span class='hs-definition'>reembed</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>cmdArgsValue</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span><span class='hs-layout'>{</span><span class='hs-varid'>cmdArgsValue</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>y</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-40"></a>
<a name="line-41"></a>
<a name="line-42"></a><a name="CmdArgsPrivate"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CmdArgsPrivate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmdArgsPrivate</span>
<a name="line-43"></a> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The number of arguments that have been seen</span>
<a name="line-44"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span><span class='hs-conid'>Ord</span><span class='hs-layout'>,</span><span class='hs-conid'>Data</span><span class='hs-layout'>,</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-45"></a>
<a name="line-46"></a><a name="incArgsSeen"></a><span class='hs-definition'>incArgsSeen</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-conid'>CmdArgs</span><span class='hs-layout'>{</span><span class='hs-varid'>cmdArgsPrivate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmdArgsPrivate</span> <span class='hs-varid'>i</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-varid'>cmdArgsPrivate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmdArgsPrivate</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>}</span>
<a name="line-47"></a><a name="getArgsSeen"></a><span class='hs-definition'>getArgsSeen</span> <span class='hs-conid'>CmdArgs</span><span class='hs-layout'>{</span><span class='hs-varid'>cmdArgsPrivate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmdArgsPrivate</span> <span class='hs-varid'>i</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>i</span>
<a name="line-48"></a>
<a name="line-49"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>CmdArgsPrivate</span> <span class='hs-keyword'>where</span> <span class='hs-varid'>show</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"CmdArgsPrivate"</span>
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