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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE ViewPatterns #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-
<a name="line-3"></a>Raise an error if you are bracketing an atom, or are enclosed be a list bracket
<a name="line-4"></a>
<a name="line-5"></a><TEST>
<a name="line-6"></a>-- expression bracket reduction
<a name="line-7"></a>yes = (f x) x -- @Warning f x x
<a name="line-8"></a>no = f (x x)
<a name="line-9"></a>yes = (foo) -- foo
<a name="line-10"></a>yes = (foo bar) -- @Warning foo bar
<a name="line-11"></a>yes = foo (bar) -- @Error bar
<a name="line-12"></a>yes = foo ((x x)) -- @Error (x x)
<a name="line-13"></a>yes = (f x) ||| y -- @Warning f x ||| y
<a name="line-14"></a>yes = if (f x) then y else z -- @Warning if f x then y else z
<a name="line-15"></a>yes = if x then (f y) else z -- @Warning if x then f y else z
<a name="line-16"></a>yes = (a foo) :: Int -- @Warning a foo :: Int
<a name="line-17"></a>yes = [(foo bar)] -- @Warning [foo bar]
<a name="line-18"></a>yes = foo ((x y), z) -- @Warning (x y, z)
<a name="line-19"></a>yes = C { f = (e h) } -- @Warning C {f = e h}
<a name="line-20"></a>yes = \ x -> (x && x) -- @Warning \x -> x && x
<a name="line-21"></a>no = \(x -> y) -> z
<a name="line-22"></a>yes = (`foo` (bar baz)) -- @Warning (`foo` bar baz)
<a name="line-23"></a>
<a name="line-24"></a>-- type bracket reduction
<a name="line-25"></a>foo :: (Int -> Int) -> Int
<a name="line-26"></a>foo :: Int -> (Int -> Int) -- @Warning Int -> Int -> Int
<a name="line-27"></a>foo :: (Maybe Int) -> a -- @Warning Maybe Int -> a
<a name="line-28"></a>instance Named (DeclHead S)
<a name="line-29"></a>data Foo = Foo {foo :: (Maybe Foo)} -- @Warning foo :: Maybe Foo
<a name="line-30"></a>
<a name="line-31"></a>-- pattern bracket reduction
<a name="line-32"></a>foo (True) = 1
<a name="line-33"></a>foo ((True)) = 1 -- @Error True
<a name="line-34"></a>
<a name="line-35"></a>-- dollar reduction tests
<a name="line-36"></a>no = groupFsts . sortFst $ mr
<a name="line-37"></a>yes = split "to" $ names -- split "to" names
<a name="line-38"></a>yes = white $ keysymbol -- white keysymbol
<a name="line-39"></a>yes = operator foo $ operator -- operator foo operator
<a name="line-40"></a>no = operator foo $ operator bar
<a name="line-41"></a>yes = return $ Record{a=b} -- return Record{a=b}
<a name="line-42"></a>
<a name="line-43"></a>-- $/bracket rotation tests
<a name="line-44"></a>yes = (b $ c d) ++ e -- b (c d) ++ e
<a name="line-45"></a>yes = (a b $ c d) ++ e -- a b (c d) ++ e
<a name="line-46"></a>no = (f . g $ a) ++ e
<a name="line-47"></a>no = quickCheck ((\h -> cySucc h == succ h) :: Hygiene -> Bool)
<a name="line-48"></a></TEST>
<a name="line-49"></a>-}</span>
<a name="line-50"></a>
<a name="line-51"></a>
<a name="line-52"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Hint</span><span class='hs-varop'>.</span><span class='hs-conid'>Bracket</span> <span class='hs-keyword'>where</span>
<a name="line-53"></a>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Hint</span><span class='hs-varop'>.</span><span class='hs-conid'>Type</span>
<a name="line-55"></a>
<a name="line-56"></a>
<a name="line-57"></a><a name="bracketHint"></a><span class='hs-definition'>bracketHint</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DeclHint</span>
<a name="line-58"></a><span class='hs-definition'>bracketHint</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span>
<a name="line-59"></a> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bracket</span> <span class='hs-conid'>True</span> <span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-varid'>dollar</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>childrenBi</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Exp_</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-60"></a> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>bracket</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>childrenBi</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Type_</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-61"></a> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>bracket</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>childrenBi</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Pat_</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-62"></a> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>fieldDecl</span> <span class='hs-layout'>(</span><span class='hs-varid'>childrenBi</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-63"></a>
<a name="line-64"></a>
<a name="line-65"></a><a name="bracket"></a><span class='hs-definition'>bracket</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Annotated</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Uniplate</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>ExactP</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Pretty</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Brackets</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Idea</span><span class='hs-keyglyph'>]</span>
<a name="line-66"></a><span class='hs-definition'>bracket</span> <span class='hs-varid'>bad</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-conid'>Nothing</span>
<a name="line-67"></a> <span class='hs-keyword'>where</span>
<a name="line-68"></a> <span class='hs-varid'>msg</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Redundant bracket"</span>
<a name="line-69"></a>
<a name="line-70"></a> <span class='hs-comment'>-- f (Maybe (index, parent, gen)) child</span>
<a name="line-71"></a> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Annotated</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Uniplate</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>ExactP</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Pretty</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Brackets</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int</span><span class='hs-layout'>,</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>,</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Idea</span><span class='hs-keyglyph'>]</span>
<a name="line-72"></a> <span class='hs-varid'>f</span> <span class='hs-conid'>Just</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-varid'>remParen</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isAtom</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>err</span> <span class='hs-varid'>msg</span> <span class='hs-varid'>o</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>g</span> <span class='hs-varid'>x</span>
<a name="line-73"></a> <span class='hs-varid'>f</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-varid'>remParen</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>bad</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>warn</span> <span class='hs-varid'>msg</span> <span class='hs-varid'>o</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>g</span> <span class='hs-varid'>x</span>
<a name="line-74"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>gen</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>remParen</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-varid'>needBracket</span> <span class='hs-varid'>i</span> <span class='hs-varid'>o</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>warn</span> <span class='hs-varid'>msg</span> <span class='hs-varid'>o</span> <span class='hs-layout'>(</span><span class='hs-varid'>gen</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>g</span> <span class='hs-varid'>x</span>
<a name="line-75"></a> <span class='hs-varid'>f</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>g</span> <span class='hs-varid'>x</span>
<a name="line-76"></a>
<a name="line-77"></a> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Annotated</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Uniplate</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>ExactP</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Pretty</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Brackets</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>S</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Idea</span><span class='hs-keyglyph'>]</span>
<a name="line-78"></a> <span class='hs-varid'>g</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concat</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>gen</span><span class='hs-layout'>)</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-varid'>i</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>gen</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>$</span> <span class='hs-varid'>holes</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span>
<a name="line-79"></a>
<a name="line-80"></a>
<a name="line-81"></a><a name="fieldDecl"></a><span class='hs-definition'>fieldDecl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FieldDecl</span> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Idea</span><span class='hs-keyglyph'>]</span>
<a name="line-82"></a><span class='hs-definition'>fieldDecl</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>FieldDecl</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-layout'>(</span><span class='hs-conid'>UnBangedTy</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-conid'>TyParen</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-83"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>warn</span> <span class='hs-str'>"Redundant bracket"</span> <span class='hs-varid'>o</span> <span class='hs-layout'>(</span><span class='hs-conid'>FieldDecl</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-layout'>(</span><span class='hs-conid'>UnBangedTy</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-84"></a><span class='hs-definition'>fieldDecl</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-85"></a>
<a name="line-86"></a>
<a name="line-87"></a><a name="dollar"></a><span class='hs-definition'>dollar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Exp_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Idea</span><span class='hs-keyglyph'>]</span>
<a name="line-88"></a><span class='hs-definition'>dollar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>universe</span>
<a name="line-89"></a> <span class='hs-keyword'>where</span>
<a name="line-90"></a> <span class='hs-varid'>msg</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>warn</span> <span class='hs-str'>"Redundant $"</span>
<a name="line-91"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>msg</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>InfixApp</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>a</span> <span class='hs-varid'>d</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-varid'>opExp</span> <span class='hs-varid'>d</span> <span class='hs-varop'>~=</span> <span class='hs-str'>"$"</span>
<a name="line-92"></a> <span class='hs-layout'>,</span><span class='hs-keyword'>let</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>App</span> <span class='hs-varid'>an</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-varid'>needBracket</span> <span class='hs-num'>0</span> <span class='hs-varid'>y</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-varid'>needBracket</span> <span class='hs-num'>1</span> <span class='hs-varid'>y</span> <span class='hs-varid'>b</span><span class='hs-keyglyph'>]</span>
<a name="line-93"></a> <span class='hs-varop'>++</span>
<a name="line-94"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>msg</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-conid'>Paren</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>InfixApp</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>a1</span> <span class='hs-varid'>op1</span> <span class='hs-varid'>a2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>splitInfix</span> <span class='hs-varid'>x</span>
<a name="line-95"></a> <span class='hs-layout'>,</span><span class='hs-varid'>opExp</span> <span class='hs-varid'>op1</span> <span class='hs-varop'>~=</span> <span class='hs-str'>"$"</span><span class='hs-layout'>,</span> <span class='hs-varid'>isVar</span> <span class='hs-varid'>a1</span> <span class='hs-varop'>||</span> <span class='hs-varid'>isApp</span> <span class='hs-varid'>a1</span> <span class='hs-varop'>||</span> <span class='hs-varid'>isParen</span> <span class='hs-varid'>a1</span><span class='hs-layout'>,</span> <span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-varid'>isAtom</span> <span class='hs-varid'>a2</span>
<a name="line-96"></a> <span class='hs-layout'>,</span><span class='hs-keyword'>let</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>App</span> <span class='hs-varid'>an</span> <span class='hs-varid'>a1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Paren</span> <span class='hs-varid'>an</span> <span class='hs-varid'>a2</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-97"></a>
<a name="line-98"></a>
<a name="line-99"></a><a name="splitInfix"></a><span class='hs-comment'>-- return both sides, and a way to put them together again</span>
<a name="line-100"></a><span class='hs-definition'>splitInfix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Exp_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Exp_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Exp_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Exp_</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-101"></a><span class='hs-definition'>splitInfix</span> <span class='hs-layout'>(</span><span class='hs-conid'>InfixApp</span> <span class='hs-varid'>s</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>InfixApp</span> <span class='hs-varid'>s</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>InfixApp</span> <span class='hs-varid'>s</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-102"></a><span class='hs-definition'>splitInfix</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
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