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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE FlexibleContexts #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE BangPatterns #-}</span>
<a name="line-3"></a><span class='hs-comment'>{-# LANGUAGE RankNTypes #-}</span>
<a name="line-4"></a><span class='hs-comment'>-- | Convert a stream of blaze-builder @Builder@s into a stream of @ByteString@s.</span>
<a name="line-5"></a><span class='hs-comment'>--</span>
<a name="line-6"></a><span class='hs-comment'>-- Works with both blaze-builder < 0.4's @Builder@s and</span>
<a name="line-7"></a><span class='hs-comment'>-- 'Data.ByteString.Builder.Builder'.</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- Adapted from blaze-builder-enumerator, written by myself and Simon Meier.</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- Note that the functions here can work in any monad built on top of @IO@ or</span>
<a name="line-12"></a><span class='hs-comment'>-- @ST@.</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-- Since 1.1.7.0</span>
<a name="line-15"></a><span class='hs-comment'>--</span>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Conduit</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Builder</span>
<a name="line-17"></a> <span class='hs-layout'>(</span>
<a name="line-18"></a>
<a name="line-19"></a> <span class='hs-comment'>-- * Conduits from builders to bytestrings</span>
<a name="line-20"></a> <span class='hs-varid'>builderToByteString</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unsafeBuilderToByteString</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>builderToByteStringWith</span>
<a name="line-23"></a>
<a name="line-24"></a> <span class='hs-comment'>-- ** Flush</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>builderToByteStringFlush</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>builderToByteStringWithFlush</span>
<a name="line-27"></a>
<a name="line-28"></a> <span class='hs-comment'>-- * Buffers</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Buffer</span>
<a name="line-30"></a>
<a name="line-31"></a> <span class='hs-comment'>-- ** Status information</span>
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>freeSize</span>
<a name="line-33"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sliceSize</span>
<a name="line-34"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bufferSize</span>
<a name="line-35"></a>
<a name="line-36"></a> <span class='hs-comment'>-- ** Creation and modification</span>
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>allocBuffer</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>reuseBuffer</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>nextSlice</span>
<a name="line-40"></a>
<a name="line-41"></a> <span class='hs-comment'>-- ** Conversion to bytestings</span>
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unsafeFreezeBuffer</span>
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unsafeFreezeNonEmptyBuffer</span>
<a name="line-44"></a>
<a name="line-45"></a> <span class='hs-comment'>-- * Buffer allocation strategies</span>
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>BufferAllocStrategy</span>
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>allNewBuffersStrategy</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>reuseBufferStrategy</span>
<a name="line-49"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-50"></a>
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Conduit</span>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>unless</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftM</span><span class='hs-layout'>)</span>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Trans</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span><span class='hs-varid'>lift</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadTrans</span><span class='hs-layout'>)</span>
<a name="line-54"></a>
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>S</span>
<a name="line-56"></a>
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Primitive</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimMonad</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafePrimToPrim</span><span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftBase</span><span class='hs-layout'>)</span>
<a name="line-59"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Streaming</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Builder</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="unsafeLiftIO"></a><span class='hs-definition'>unsafeLiftIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimMonad</span> <span class='hs-varid'>base</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-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-62"></a><span class='hs-definition'>unsafeLiftIO</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftBase</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unsafePrimToPrim</span>
<a name="line-63"></a>
<a name="line-64"></a><a name="builderToByteString"></a><span class='hs-comment'>-- | Incrementally execute builders and pass on the filled chunks as</span>
<a name="line-65"></a><span class='hs-comment'>-- bytestrings.</span>
<a name="line-66"></a><span class='hs-definition'>builderToByteString</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimMonad</span> <span class='hs-varid'>base</span><span class='hs-layout'>,</span> <span class='hs-conid'>StreamingBuilder</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-67"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Conduit</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-68"></a><span class='hs-definition'>builderToByteString</span> <span class='hs-keyglyph'>=</span>
<a name="line-69"></a> <span class='hs-varid'>builderToByteStringWith</span> <span class='hs-varid'>defaultStrategy</span>
<a name="line-70"></a><span class='hs-comment'>{-# INLINE builderToByteString #-}</span>
<a name="line-71"></a>
<a name="line-72"></a><a name="builderToByteStringFlush"></a><span class='hs-comment'>-- |</span>
<a name="line-73"></a><span class='hs-comment'>--</span>
<a name="line-74"></a><span class='hs-comment'>-- Since 0.0.2</span>
<a name="line-75"></a><span class='hs-definition'>builderToByteStringFlush</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimMonad</span> <span class='hs-varid'>base</span><span class='hs-layout'>,</span> <span class='hs-conid'>StreamingBuilder</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-76"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Conduit</span> <span class='hs-layout'>(</span><span class='hs-conid'>Flush</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Flush</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-77"></a><span class='hs-definition'>builderToByteStringFlush</span> <span class='hs-keyglyph'>=</span>
<a name="line-78"></a> <span class='hs-varid'>builderToByteStringWithFlush</span> <span class='hs-varid'>defaultStrategy</span>
<a name="line-79"></a><span class='hs-comment'>{-# INLINE builderToByteStringFlush #-}</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="unsafeBuilderToByteString"></a><span class='hs-comment'>-- | Incrementally execute builders on the given buffer and pass on the filled</span>
<a name="line-82"></a><span class='hs-comment'>-- chunks as bytestrings. Note that, if the given buffer is too small for the</span>
<a name="line-83"></a><span class='hs-comment'>-- execution of a build step, a larger one will be allocated.</span>
<a name="line-84"></a><span class='hs-comment'>--</span>
<a name="line-85"></a><span class='hs-comment'>-- WARNING: This conduit yields bytestrings that are NOT</span>
<a name="line-86"></a><span class='hs-comment'>-- referentially transparent. Their content will be overwritten as soon</span>
<a name="line-87"></a><span class='hs-comment'>-- as control is returned from the inner sink!</span>
<a name="line-88"></a><span class='hs-definition'>unsafeBuilderToByteString</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimMonad</span> <span class='hs-varid'>base</span><span class='hs-layout'>,</span> <span class='hs-conid'>StreamingBuilder</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-89"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Buffer</span> <span class='hs-comment'>-- action yielding the inital buffer.</span>
<a name="line-90"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Conduit</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-91"></a><span class='hs-definition'>unsafeBuilderToByteString</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>builderToByteStringWith</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reuseBufferStrategy</span>
<a name="line-92"></a><span class='hs-comment'>{-# INLINE unsafeBuilderToByteString #-}</span>
<a name="line-93"></a>
<a name="line-94"></a>
<a name="line-95"></a><a name="builderToByteStringWith"></a><span class='hs-comment'>-- | A conduit that incrementally executes builders and passes on the</span>
<a name="line-96"></a><span class='hs-comment'>-- filled chunks as bytestrings to an inner sink.</span>
<a name="line-97"></a><span class='hs-comment'>--</span>
<a name="line-98"></a><span class='hs-comment'>-- INV: All bytestrings passed to the inner sink are non-empty.</span>
<a name="line-99"></a><span class='hs-definition'>builderToByteStringWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimMonad</span> <span class='hs-varid'>base</span><span class='hs-layout'>,</span> <span class='hs-conid'>StreamingBuilder</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-100"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>BufferAllocStrategy</span>
<a name="line-101"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Conduit</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-102"></a><span class='hs-definition'>builderToByteStringWith</span> <span class='hs-keyglyph'>=</span>
<a name="line-103"></a> <span class='hs-varid'>helper</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-conid'>Chunk</span><span class='hs-layout'>)</span> <span class='hs-varid'>await</span><span class='hs-layout'>)</span> <span class='hs-varid'>yield'</span>
<a name="line-104"></a> <span class='hs-keyword'>where</span>
<a name="line-105"></a> <span class='hs-varid'>yield'</span> <span class='hs-conid'>Flush</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-106"></a> <span class='hs-varid'>yield'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-varid'>bs</span>
<a name="line-107"></a><span class='hs-comment'>{-# INLINE builderToByteStringWith #-}</span>
<a name="line-108"></a>
<a name="line-109"></a><a name="builderToByteStringWithFlush"></a><span class='hs-comment'>-- |</span>
<a name="line-110"></a><span class='hs-comment'>--</span>
<a name="line-111"></a><span class='hs-comment'>-- Since 0.0.2</span>
<a name="line-112"></a><span class='hs-definition'>builderToByteStringWithFlush</span>
<a name="line-113"></a> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimMonad</span> <span class='hs-varid'>base</span><span class='hs-layout'>,</span> <span class='hs-conid'>StreamingBuilder</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-114"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>BufferAllocStrategy</span>
<a name="line-115"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Conduit</span> <span class='hs-layout'>(</span><span class='hs-conid'>Flush</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Flush</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-116"></a><span class='hs-definition'>builderToByteStringWithFlush</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>helper</span> <span class='hs-varid'>await</span> <span class='hs-varid'>yield</span>
<a name="line-117"></a><span class='hs-comment'>{-# INLINE builderToByteStringWithFlush #-}</span>
<a name="line-118"></a>
<a name="line-119"></a><a name="helper"></a><span class='hs-definition'>helper</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimMonad</span> <span class='hs-varid'>base</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadTrans</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-conid'>StreamingBuilder</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-120"></a> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>t</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Flush</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-121"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Flush</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>t</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-122"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BufferAllocStrategy</span>
<a name="line-123"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>t</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-124"></a><span class='hs-definition'>helper</span> <span class='hs-varid'>await'</span> <span class='hs-varid'>yield'</span> <span class='hs-varid'>strat</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-125"></a> <span class='hs-layout'>(</span><span class='hs-varid'>recv</span><span class='hs-layout'>,</span> <span class='hs-varid'>finish</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unsafeLiftIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newBuilderRecv</span> <span class='hs-varid'>strat</span>
<a name="line-126"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>await'</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>finish'</span> <span class='hs-varid'>cont</span>
<a name="line-127"></a> <span class='hs-varid'>finish'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-128"></a> <span class='hs-varid'>mbs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unsafeLiftIO</span> <span class='hs-varid'>finish</span>
<a name="line-129"></a> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>yield'</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Chunk</span><span class='hs-layout'>)</span> <span class='hs-varid'>mbs</span>
<a name="line-130"></a> <span class='hs-varid'>cont</span> <span class='hs-varid'>fbuilder</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-131"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>builder</span> <span class='hs-keyglyph'>=</span>
<a name="line-132"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>fbuilder</span> <span class='hs-keyword'>of</span>
<a name="line-133"></a> <span class='hs-conid'>Flush</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>builderFlush</span>
<a name="line-134"></a> <span class='hs-conid'>Chunk</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
<a name="line-135"></a> <span class='hs-varid'>popper</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unsafeLiftIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>recv</span> <span class='hs-varid'>builder</span>
<a name="line-136"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>cont'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-137"></a> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unsafeLiftIO</span> <span class='hs-varid'>popper</span>
<a name="line-138"></a> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-139"></a> <span class='hs-varid'>yield'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span>
<a name="line-140"></a> <span class='hs-varid'>cont'</span>
<a name="line-141"></a> <span class='hs-varid'>cont'</span>
<a name="line-142"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>fbuilder</span> <span class='hs-keyword'>of</span>
<a name="line-143"></a> <span class='hs-conid'>Flush</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>yield'</span> <span class='hs-conid'>Flush</span>
<a name="line-144"></a> <span class='hs-conid'>Chunk</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-145"></a> <span class='hs-varid'>loop</span>
<a name="line-146"></a> <span class='hs-varid'>loop</span>
<a name="line-147"></a><span class='hs-comment'>{-# INLINE helper #-}</span>
</pre></body>
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