<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Data.Binary.Builder.Internal</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script type="text/javascript">//<![CDATA[
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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">binary-0.5.1.0: Binary serialisation for Haskell values using lazy ByteStrings</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Portability</th><td>portable to Hugs and GHC</td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Maintainer</th><td>Lennart Kolmodin <kolmodin@dtek.chalmers.se></td></tr><tr><th>Safe Haskell</th><td>Trustworthy</td></tr></table><p class="caption">Data.Binary.Builder.Internal</p></div><div id="table-of-contents"><p class="caption">Contents</p><ul><li><a href="#g:1">Low-level construction of Builders
</a></li></ul></div><div id="description"><p class="caption">Description</p><div class="doc"><p>A module containing semi-public <code><a href="Data-Binary-Builder.html#t:Builder">Builder</a></code> internals that exposes
low level construction functions. Modules which extend the
<code><a href="Data-Binary-Builder.html#t:Builder">Builder</a></code> system will need to use this module while ideally most
users will be able to make do with the public interface modules.
</p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><a href="#v:writeN">writeN</a> :: <a href="../base-4.5.1.0/Data-Int.html#t:Int">Int</a> -> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="../base-4.5.1.0/Data-Word.html#t:Word8">Word8</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> ()) -> <a href="Data-Binary-Builder.html#t:Builder">Builder</a></li><li class="src short"><a href="#v:writeAtMost">writeAtMost</a> :: <a href="../base-4.5.1.0/Data-Int.html#t:Int">Int</a> -> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="../base-4.5.1.0/Data-Word.html#t:Word8">Word8</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> <a href="../base-4.5.1.0/Data-Int.html#t:Int">Int</a>) -> <a href="Data-Binary-Builder.html#t:Builder">Builder</a></li></ul></div><div id="interface"><h1 id="g:1">Low-level construction of Builders
</h1><div class="top"><p class="src"><a name="v:writeN" class="def">writeN</a> :: <a href="../base-4.5.1.0/Data-Int.html#t:Int">Int</a> -> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="../base-4.5.1.0/Data-Word.html#t:Word8">Word8</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> ()) -> <a href="Data-Binary-Builder.html#t:Builder">Builder</a></p><div class="doc"><p>Ensure that <code>n</code> bytes are available, and then use <code>f</code> to write
exactly <code>n</code> bytes into memory.
</p></div></div><div class="top"><p class="src"><a name="v:writeAtMost" class="def">writeAtMost</a> :: <a href="../base-4.5.1.0/Data-Int.html#t:Int">Int</a> -> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="../base-4.5.1.0/Data-Word.html#t:Word8">Word8</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> <a href="../base-4.5.1.0/Data-Int.html#t:Int">Int</a>) -> <a href="Data-Binary-Builder.html#t:Builder">Builder</a></p><div class="doc"><p>Ensure that <code>n</code> bytes are available, and then use <code>f</code> to write at
most <code>n</code> bytes into memory. <code>f</code> must return the actual number of
bytes written.
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