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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE GeneralizedNewtypeDeriving #-}</span>
<a name="line-2"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Test</span><span class='hs-varop'>.</span><span class='hs-conid'>QuickCheck</span><span class='hs-varop'>.</span><span class='hs-conid'>Poly</span>
<a name="line-3"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>A</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>B</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-4"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>OrdA</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>OrdB</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>OrdC</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-5"></a> <span class='hs-layout'>)</span>
<a name="line-6"></a> <span class='hs-keyword'>where</span>
<a name="line-7"></a>
<a name="line-8"></a><span class='hs-comment'>--------------------------------------------------------------------------</span>
<a name="line-9"></a><span class='hs-comment'>-- imports</span>
<a name="line-10"></a>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Test</span><span class='hs-varop'>.</span><span class='hs-conid'>QuickCheck</span><span class='hs-varop'>.</span><span class='hs-conid'>Arbitrary</span>
<a name="line-12"></a>
<a name="line-13"></a><span class='hs-comment'>--------------------------------------------------------------------------</span>
<a name="line-14"></a><span class='hs-comment'>-- polymorphic A, B, C (in Eq)</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-comment'>-- A</span>
<a name="line-17"></a>
<a name="line-18"></a><a name="A"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>A</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-layout'>{</span> <span class='hs-varid'>unA</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span> <span class='hs-layout'>}</span>
<a name="line-19"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>)</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>A</span> <span class='hs-keyword'>where</span>
<a name="line-22"></a> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Arbitrary</span> <span class='hs-conid'>A</span> <span class='hs-keyword'>where</span>
<a name="line-25"></a> <span class='hs-varid'>arbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>abs</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>arbitrary</span>
<a name="line-26"></a> <span class='hs-varid'>shrink</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>A</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>shrink</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>]</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>CoArbitrary</span> <span class='hs-conid'>A</span> <span class='hs-keyword'>where</span>
<a name="line-29"></a> <span class='hs-varid'>coarbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coarbitrary</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unA</span>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-comment'>-- B</span>
<a name="line-32"></a>
<a name="line-33"></a><a name="B"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>B</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-layout'>{</span> <span class='hs-varid'>unB</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span> <span class='hs-layout'>}</span>
<a name="line-34"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>)</span>
<a name="line-35"></a>
<a name="line-36"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>B</span> <span class='hs-keyword'>where</span>
<a name="line-37"></a> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span>
<a name="line-38"></a>
<a name="line-39"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Arbitrary</span> <span class='hs-conid'>B</span> <span class='hs-keyword'>where</span>
<a name="line-40"></a> <span class='hs-varid'>arbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>abs</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>arbitrary</span>
<a name="line-41"></a> <span class='hs-varid'>shrink</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>B</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>shrink</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>]</span>
<a name="line-42"></a>
<a name="line-43"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>CoArbitrary</span> <span class='hs-conid'>B</span> <span class='hs-keyword'>where</span>
<a name="line-44"></a> <span class='hs-varid'>coarbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coarbitrary</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unB</span>
<a name="line-45"></a>
<a name="line-46"></a><span class='hs-comment'>-- C</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="C"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>C</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>C</span><span class='hs-layout'>{</span> <span class='hs-varid'>unC</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span> <span class='hs-layout'>}</span>
<a name="line-49"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>)</span>
<a name="line-50"></a>
<a name="line-51"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>C</span> <span class='hs-keyword'>where</span>
<a name="line-52"></a> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>C</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span>
<a name="line-53"></a>
<a name="line-54"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Arbitrary</span> <span class='hs-conid'>C</span> <span class='hs-keyword'>where</span>
<a name="line-55"></a> <span class='hs-varid'>arbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>C</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>abs</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>arbitrary</span>
<a name="line-56"></a> <span class='hs-varid'>shrink</span> <span class='hs-layout'>(</span><span class='hs-conid'>C</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>C</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>shrink</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>]</span>
<a name="line-57"></a>
<a name="line-58"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>CoArbitrary</span> <span class='hs-conid'>C</span> <span class='hs-keyword'>where</span>
<a name="line-59"></a> <span class='hs-varid'>coarbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coarbitrary</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unC</span>
<a name="line-60"></a>
<a name="line-61"></a><span class='hs-comment'>--------------------------------------------------------------------------</span>
<a name="line-62"></a><span class='hs-comment'>-- polymorphic OrdA, OrdB, OrdC (in Eq, Ord)</span>
<a name="line-63"></a>
<a name="line-64"></a><span class='hs-comment'>-- OrdA</span>
<a name="line-65"></a>
<a name="line-66"></a><a name="OrdA"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>OrdA</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OrdA</span><span class='hs-layout'>{</span> <span class='hs-varid'>unOrdA</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span> <span class='hs-layout'>}</span>
<a name="line-67"></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'>Num</span> <span class='hs-layout'>)</span>
<a name="line-68"></a>
<a name="line-69"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>OrdA</span> <span class='hs-keyword'>where</span>
<a name="line-70"></a> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdA</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span>
<a name="line-71"></a>
<a name="line-72"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Arbitrary</span> <span class='hs-conid'>OrdA</span> <span class='hs-keyword'>where</span>
<a name="line-73"></a> <span class='hs-varid'>arbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdA</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>abs</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>arbitrary</span>
<a name="line-74"></a> <span class='hs-varid'>shrink</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdA</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>OrdA</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>shrink</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>]</span>
<a name="line-75"></a>
<a name="line-76"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>CoArbitrary</span> <span class='hs-conid'>OrdA</span> <span class='hs-keyword'>where</span>
<a name="line-77"></a> <span class='hs-varid'>coarbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coarbitrary</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unOrdA</span>
<a name="line-78"></a>
<a name="line-79"></a><span class='hs-comment'>-- OrdB</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="OrdB"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>OrdB</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OrdB</span><span class='hs-layout'>{</span> <span class='hs-varid'>unOrdB</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span> <span class='hs-layout'>}</span>
<a name="line-82"></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'>Num</span> <span class='hs-layout'>)</span>
<a name="line-83"></a>
<a name="line-84"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>OrdB</span> <span class='hs-keyword'>where</span>
<a name="line-85"></a> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdB</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span>
<a name="line-86"></a>
<a name="line-87"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Arbitrary</span> <span class='hs-conid'>OrdB</span> <span class='hs-keyword'>where</span>
<a name="line-88"></a> <span class='hs-varid'>arbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdB</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>abs</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>arbitrary</span>
<a name="line-89"></a> <span class='hs-varid'>shrink</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdB</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>OrdB</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>shrink</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>]</span>
<a name="line-90"></a>
<a name="line-91"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>CoArbitrary</span> <span class='hs-conid'>OrdB</span> <span class='hs-keyword'>where</span>
<a name="line-92"></a> <span class='hs-varid'>coarbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coarbitrary</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unOrdB</span>
<a name="line-93"></a>
<a name="line-94"></a><span class='hs-comment'>-- OrdC</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="OrdC"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>OrdC</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OrdC</span><span class='hs-layout'>{</span> <span class='hs-varid'>unOrdC</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span> <span class='hs-layout'>}</span>
<a name="line-97"></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'>Num</span> <span class='hs-layout'>)</span>
<a name="line-98"></a>
<a name="line-99"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>OrdC</span> <span class='hs-keyword'>where</span>
<a name="line-100"></a> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdC</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span>
<a name="line-101"></a>
<a name="line-102"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Arbitrary</span> <span class='hs-conid'>OrdC</span> <span class='hs-keyword'>where</span>
<a name="line-103"></a> <span class='hs-varid'>arbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdC</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>abs</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>arbitrary</span>
<a name="line-104"></a> <span class='hs-varid'>shrink</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrdC</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>OrdC</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>shrink</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>]</span>
<a name="line-105"></a>
<a name="line-106"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>CoArbitrary</span> <span class='hs-conid'>OrdC</span> <span class='hs-keyword'>where</span>
<a name="line-107"></a> <span class='hs-varid'>coarbitrary</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coarbitrary</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unOrdC</span>
<a name="line-108"></a>
<a name="line-109"></a><span class='hs-comment'>--------------------------------------------------------------------------</span>
<a name="line-110"></a><span class='hs-comment'>-- the end.</span>
<a name="line-111"></a>
</pre></body>
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