/usr/share/doc/libghc-text-doc/html/Data-Text-Internal-Unsafe.html

<!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.Text.Internal.Unsafe</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script src="file:///usr/share/javascript/mathjax/MathJax.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="src/Data-Text-Internal-Unsafe.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">text-1.2.2.1: An efficient packed Unicode text type.</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Copyright</th><td>(c) 2009, 2010, 2011 Bryan O'Sullivan</td></tr><tr><th>License</th><td>BSD-style</td></tr><tr><th>Maintainer</th><td>bos@serpentine.com</td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Portability</th><td>portable</td></tr><tr><th>Safe Haskell</th><td>None</td></tr><tr><th>Language</th><td>Haskell98</td></tr></table><p class="caption">Data.Text.Internal.Unsafe</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p><em>Warning</em>: this is an internal module, and does not have a stable
 API or name. Functions in this module may not check or enforce
 preconditions expected by public modules. Use at your own risk!</p><p>A module containing <em>unsafe</em> operations, for <em>very very careful</em> use
 in <em>heavily tested</em> code.</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:inlineInterleaveST">inlineInterleaveST</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Control-Monad-ST.html#t:ST">ST</a> s a -&gt; <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Control-Monad-ST.html#t:ST">ST</a> s a</li><li class="src short"><a href="#v:inlinePerformIO">inlinePerformIO</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/System-IO.html#t:IO">IO</a> a -&gt; a</li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><a id="v:inlineInterleaveST" class="def">inlineInterleaveST</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Control-Monad-ST.html#t:ST">ST</a> s a -&gt; <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Control-Monad-ST.html#t:ST">ST</a> s a <a href="src/Data-Text-Internal-Unsafe.html#inlineInterleaveST" class="link">Source</a> <a href="#v:inlineInterleaveST" class="selflink">#</a></p><div class="doc"><p>Allow an <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Control-Monad-ST.html#t:ST">ST</a></code> computation to be deferred lazily. When passed an
 action of type <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Control-Monad-ST.html#t:ST">ST</a></code> <code>s</code> <code>a</code>, the action will only be performed when
 the value of <code>a</code> is demanded.</p><p>This function is identical to the normal unsafeInterleaveST, but is
 inlined and hence faster.</p><p><em>Note</em>: This operation is highly unsafe, as it can introduce
 externally visible non-determinism into an <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Control-Monad-ST.html#t:ST">ST</a></code> action.</p></div></div><div class="top"><p class="src"><a id="v:inlinePerformIO" class="def">inlinePerformIO</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/System-IO.html#t:IO">IO</a> a -&gt; a <a href="src/Data-Text-Internal-Unsafe.html#inlinePerformIO" class="link">Source</a> <a href="#v:inlinePerformIO" class="selflink">#</a></p><div class="doc"><p>Just like unsafePerformIO, but we inline it. Big performance gains as
 it exposes lots of things to further inlining. <em>Very unsafe</em>. In
 particular, you should do no memory allocation inside an
 <code><a href="Data-Text-Internal-Unsafe.html#v:inlinePerformIO">inlinePerformIO</a></code> block. On Hugs this is just <code>unsafePerformIO</code>.</p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.17.2</p></div></body></html>
libghc-text-doc 1.2.2.1-3 / usr / share / doc / libghc-text-doc / html / Data-Text-Internal-Unsafe.html
