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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Data-Text-Array.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-1.2.2.2: An efficient packed Unicode text type.</p></div><div id="content"><div id="module-header"><table class="info"><tr><th valign="top">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.Array</p></div><div id="table-of-contents"><p class="caption">Contents</p><ul><li><a href="#g:1">Types</a></li><li><a href="#g:2">Functions</a></li></ul></div><div id="description"><p class="caption">Description</p><div class="doc"><p>Packed, unboxed, heap-resident arrays. Suitable for performance
critical use, both in terms of large data quantities and high
speed.</p><p>This module is intended to be imported <code>qualified</code>, to avoid name
clashes with <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Prelude.html">Prelude</a> functions, e.g.</p><pre>import qualified Data.Text.Array as A</pre><p>The names in this module resemble those in the <code><a href="Data.html#v:Array">Array</a></code> family
of modules, but are shorter due to the assumption of qualified
naming.</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"><span class="keyword">data</span> <a href="#t:Array">Array</a> = <a href="#v:Array">Array</a> {<ul class="subs"><li><a href="#v:aBA">aBA</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.5.0.0/GHC-Prim.html#t:ByteArray-35-">ByteArray#</a></li></ul>}</li><li class="src short"><span class="keyword">data</span> <a href="#t:MArray">MArray</a> s = <a href="#v:MArray">MArray</a> {<ul class="subs"><li><a href="#v:maBA">maBA</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.5.0.0/GHC-Prim.html#t:MutableByteArray-35-">MutableByteArray#</a> s</li></ul>}</li><li class="src short"><a href="#v:copyM">copyM</a> :: <a href="Data-Text-Array.html#t:MArray">MArray</a> s -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="Data-Text-Array.html#t:MArray">MArray</a> s -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s ()</li><li class="src short"><a href="#v:copyI">copyI</a> :: <a href="Data-Text-Array.html#t:MArray">MArray</a> s -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="Data-Text-Array.html#t:Array">Array</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s ()</li><li class="src short"><a href="#v:empty">empty</a> :: <a href="Data-Text-Array.html#t:Array">Array</a></li><li class="src short"><a href="#v:equal">equal</a> :: <a href="Data-Text-Array.html#t:Array">Array</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="Data-Text-Array.html#t:Array">Array</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Bool.html#t:Bool">Bool</a></li><li class="src short"><a href="#v:run">run</a> :: (<span class="keyword">forall</span> s. <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s (<a href="Data-Text-Array.html#t:MArray">MArray</a> s)) -> <a href="Data-Text-Array.html#t:Array">Array</a></li><li class="src short"><a href="#v:run2">run2</a> :: (<span class="keyword">forall</span> s. <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s (<a href="Data-Text-Array.html#t:MArray">MArray</a> s, a)) -> (<a href="Data-Text-Array.html#t:Array">Array</a>, a)</li><li class="src short"><a href="#v:toList">toList</a> :: <a href="Data-Text-Array.html#t:Array">Array</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word16">Word16</a>]</li><li class="src short"><a href="#v:unsafeFreeze">unsafeFreeze</a> :: <a href="Data-Text-Array.html#t:MArray">MArray</a> s -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s <a href="Data-Text-Array.html#t:Array">Array</a></li><li class="src short"><a href="#v:unsafeIndex">unsafeIndex</a> :: <a href="Data-Text-Array.html#t:Array">Array</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word16">Word16</a></li><li class="src short"><a href="#v:new">new</a> :: <span class="keyword">forall</span> s. <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s (<a href="Data-Text-Array.html#t:MArray">MArray</a> s)</li><li class="src short"><a href="#v:unsafeWrite">unsafeWrite</a> :: <a href="Data-Text-Array.html#t:MArray">MArray</a> s -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word16">Word16</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s ()</li></ul></div><div id="interface"><h1 id="g:1">Types</h1><div class="top"><p class="src"><span class="keyword">data</span> <a id="t:Array" class="def">Array</a> <a href="src/Data-Text-Array.html#Array" class="link">Source</a> <a href="#t:Array" class="selflink">#</a></p><div class="doc"><p>Immutable array type.</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a id="v:Array" class="def">Array</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div class="subs fields"><p class="caption">Fields</p><ul><li><dfn class="src"><a id="v:aBA" class="def">aBA</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.5.0.0/GHC-Prim.html#t:ByteArray-35-">ByteArray#</a></dfn><div class="doc empty"> </div></li></ul></div></td></tr></table></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a id="t:MArray" class="def">MArray</a> s <a href="src/Data-Text-Array.html#MArray" class="link">Source</a> <a href="#t:MArray" class="selflink">#</a></p><div class="doc"><p>Mutable array type, for use in the ST monad.</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a id="v:MArray" class="def">MArray</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div class="subs fields"><p class="caption">Fields</p><ul><li><dfn class="src"><a id="v:maBA" class="def">maBA</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.5.0.0/GHC-Prim.html#t:MutableByteArray-35-">MutableByteArray#</a> s</dfn><div class="doc empty"> </div></li></ul></div></td></tr></table></div></div><h1 id="g:2">Functions</h1><div class="top"><p class="src"><a id="v:copyM" class="def">copyM</a> <a href="src/Data-Text-Array.html#copyM" class="link">Source</a> <a href="#v:copyM" class="selflink">#</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Data-Text-Array.html#t:MArray">MArray</a> s</td><td class="doc"><p>Destination</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Destination offset</p></td></tr><tr><td class="src">-> <a href="Data-Text-Array.html#t:MArray">MArray</a> s</td><td class="doc"><p>Source</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Source offset</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Count</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s ()</td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Copy some elements of a mutable array.</p></div></div><div class="top"><p class="src"><a id="v:copyI" class="def">copyI</a> <a href="src/Data-Text-Array.html#copyI" class="link">Source</a> <a href="#v:copyI" class="selflink">#</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Data-Text-Array.html#t:MArray">MArray</a> s</td><td class="doc"><p>Destination</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Destination offset</p></td></tr><tr><td class="src">-> <a href="Data-Text-Array.html#t:Array">Array</a></td><td class="doc"><p>Source</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Source offset</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>First offset in destination <em>not</em> to
copy (i.e. <em>not</em> length)</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s ()</td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Copy some elements of an immutable array.</p></div></div><div class="top"><p class="src"><a id="v:empty" class="def">empty</a> :: <a href="Data-Text-Array.html#t:Array">Array</a> <a href="src/Data-Text-Array.html#empty" class="link">Source</a> <a href="#v:empty" class="selflink">#</a></p><div class="doc"><p>An empty immutable array.</p></div></div><div class="top"><p class="src"><a id="v:equal" class="def">equal</a> <a href="src/Data-Text-Array.html#equal" class="link">Source</a> <a href="#v:equal" class="selflink">#</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Data-Text-Array.html#t:Array">Array</a></td><td class="doc"><p>First</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Offset into first</p></td></tr><tr><td class="src">-> <a href="Data-Text-Array.html#t:Array">Array</a></td><td class="doc"><p>Second</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Offset into second</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Count</p></td></tr><tr><td class="src">-> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Compare portions of two arrays for equality. No bounds checking
is performed.</p></div></div><div class="top"><p class="src"><a id="v:run" class="def">run</a> :: (<span class="keyword">forall</span> s. <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s (<a href="Data-Text-Array.html#t:MArray">MArray</a> s)) -> <a href="Data-Text-Array.html#t:Array">Array</a> <a href="src/Data-Text-Array.html#run" class="link">Source</a> <a href="#v:run" class="selflink">#</a></p><div class="doc"><p>Run an action in the ST monad and return an immutable array of
its result.</p></div></div><div class="top"><p class="src"><a id="v:run2" class="def">run2</a> :: (<span class="keyword">forall</span> s. <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s (<a href="Data-Text-Array.html#t:MArray">MArray</a> s, a)) -> (<a href="Data-Text-Array.html#t:Array">Array</a>, a) <a href="src/Data-Text-Array.html#run2" class="link">Source</a> <a href="#v:run2" class="selflink">#</a></p><div class="doc"><p>Run an action in the ST monad and return an immutable array of
its result paired with whatever else the action returns.</p></div></div><div class="top"><p class="src"><a id="v:toList" class="def">toList</a> :: <a href="Data-Text-Array.html#t:Array">Array</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word16">Word16</a>] <a href="src/Data-Text-Array.html#toList" class="link">Source</a> <a href="#v:toList" class="selflink">#</a></p><div class="doc"><p>Convert an immutable array to a list.</p></div></div><div class="top"><p class="src"><a id="v:unsafeFreeze" class="def">unsafeFreeze</a> :: <a href="Data-Text-Array.html#t:MArray">MArray</a> s -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s <a href="Data-Text-Array.html#t:Array">Array</a> <a href="src/Data-Text-Array.html#unsafeFreeze" class="link">Source</a> <a href="#v:unsafeFreeze" class="selflink">#</a></p><div class="doc"><p>Freeze a mutable array. Do not mutate the <code><a href="Data-Text-Array.html#t:MArray">MArray</a></code> afterwards!</p></div></div><div class="top"><p class="src"><a id="v:unsafeIndex" class="def">unsafeIndex</a> :: <a href="Data-Text-Array.html#t:Array">Array</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word16">Word16</a> <a href="src/Data-Text-Array.html#unsafeIndex" class="link">Source</a> <a href="#v:unsafeIndex" class="selflink">#</a></p><div class="doc"><p>Unchecked read of an immutable array. May return garbage or
crash on an out-of-bounds access.</p></div></div><div class="top"><p class="src"><a id="v:new" class="def">new</a> :: <span class="keyword">forall</span> s. <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s (<a href="Data-Text-Array.html#t:MArray">MArray</a> s) <a href="src/Data-Text-Array.html#new" class="link">Source</a> <a href="#v:new" class="selflink">#</a></p><div class="doc"><p>Create an uninitialized mutable array.</p></div></div><div class="top"><p class="src"><a id="v:unsafeWrite" class="def">unsafeWrite</a> :: <a href="Data-Text-Array.html#t:MArray">MArray</a> s -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word16">Word16</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad-ST.html#t:ST">ST</a> s () <a href="src/Data-Text-Array.html#unsafeWrite" class="link">Source</a> <a href="#v:unsafeWrite" class="selflink">#</a></p><div class="doc"><p>Unchecked write of a mutable array. May return garbage or crash
on an out-of-bounds access.</p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.17.3</p></div></body></html>
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