<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Rendered using the Haskell Html Library v0.2--> <HTML ><HEAD ><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" ><TITLE >Data.Array.Unboxed</TITLE ><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css" ><SCRIPT SRC="haddock-util.js" TYPE="text/javascript" ></SCRIPT ><SCRIPT TYPE="text/javascript" >window.onload = function () {setSynopsis("mini_Data-Array-Unboxed.html")};</SCRIPT ></HEAD ><BODY ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="topbar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><IMG SRC="haskell_icon.gif" WIDTH="16" HEIGHT="16" ALT=" " ></TD ><TD CLASS="title" >array-0.2.0.0: Mutable and immutable arrays</TD ><TD CLASS="topbut" ><A HREF="index.html" >Contents</A ></TD ><TD CLASS="topbut" ><A HREF="doc-index.html" >Index</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="modulebar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><FONT SIZE="6" >Data.Array.Unboxed</FONT ></TD ><TD ALIGN="right" ><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="infohead" >Portability</TD ><TD CLASS="infoval" >non-portable (uses Data.Array.IArray)</TD ></TR ><TR ><TD CLASS="infohead" >Stability</TD ><TD CLASS="infoval" >experimental</TD ></TR ><TR ><TD CLASS="infohead" >Maintainer</TD ><TD CLASS="infoval" >libraries@haskell.org</TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" ><B >Contents</B ></TD ></TR ><TR ><TD ><DL ><DT ><A HREF="#1" >Arrays with unboxed elements </A ></DT ><DT ><A HREF="#2" >The overloaded immutable array interface </A ></DT ></DL ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" >Unboxed immutable arrays. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Synopsis</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3AUArray" >UArray</A > i e</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" >module <A HREF="Data-Array-IArray.html" >Data.Array.IArray</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="1" ><A NAME="1" >Arrays with unboxed elements </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:UArray" ><A NAME="t%3AUArray" ></A ></A ><B >UArray</B > i e </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" ><P >Arrays with unboxed elements. Instances of <TT ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A ></TT > are provided for <TT ><A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A ></TT > with certain element types (<TT ><A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TT >, <TT ><A HREF="../ghc-prim/GHC-Types.html#t%3AFloat" >Float</A ></TT >, <TT ><A HREF="../ghc-prim/GHC-Types.html#t%3AChar" >Char</A ></TT >, etc.; see the <TT ><A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A ></TT > class for a full list). </P ><P >A <TT ><A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A ></TT > will generally be more efficient (in terms of both time and space) than the equivalent Data.Array.Array with the same element type. However, <TT ><A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A ></TT > is strict in its elements - so don't use <TT ><A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A ></TT > if you require the non-strictness that Data.Array.Array provides. </P ><P >Because the <TT >IArray</TT > interface provides operations overloaded on the type of the array, it should be possible to just change the array type being used by a program from say <TT >Array</TT > to <TT >UArray</TT > to get the benefits of unboxed arrays (don't forget to import <A HREF="Data-Array-Unboxed.html" >Data.Array.Unboxed</A > instead of <A HREF="Data-Array.html" >Data.Array</A >). </P ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:UArray')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:UArray" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="../base/Data-Typeable.html#t%3ATypeable2" >Typeable2</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../ghc-prim/GHC-Types.html#t%3AChar" >Char</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../ghc-prim/GHC-Types.html#t%3ADouble" >Double</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../ghc-prim/GHC-Types.html#t%3AFloat" >Float</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Int.html#t%3AInt8" >Int8</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Int.html#t%3AInt16" >Int16</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Int.html#t%3AInt32" >Int32</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Int.html#t%3AInt64" >Int64</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Word.html#t%3AWord" >Word</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Word.html#t%3AWord8" >Word8</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Word.html#t%3AWord16" >Word16</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Word.html#t%3AWord32" >Word32</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > <A HREF="../base/Data-Word.html#t%3AWord64" >Word64</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > (<A HREF="../base/Foreign-StablePtr.html#t%3AStablePtr" >StablePtr</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > (<A HREF="../base/Foreign-Ptr.html#t%3APtr" >Ptr</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > (<A HREF="../base/Foreign-Ptr.html#t%3AFunPtr" >FunPtr</A > a)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="../base/GHC-Arr.html#t%3AIx" >Ix</A > ix, <A HREF="../base/Data-Eq.html#t%3AEq" >Eq</A > e, <A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > e) => <A HREF="../base/Data-Eq.html#t%3AEq" >Eq</A > (<A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > ix e)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="../base/GHC-Arr.html#t%3AIx" >Ix</A > ix, <A HREF="../base/Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > e) => <A HREF="../base/Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > ix e)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="../base/GHC-Arr.html#t%3AIx" >Ix</A > ix, <A HREF="../base/Text-Show.html#t%3AShow" >Show</A > ix, <A HREF="../base/Text-Show.html#t%3AShow" >Show</A > e, <A HREF="Data-Array-IArray.html#t%3AIArray" >IArray</A > <A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > e) => <A HREF="../base/Text-Show.html#t%3AShow" >Show</A > (<A HREF="Data-Array-Unboxed.html#t%3AUArray" >UArray</A > ix e)</TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="2" ><A NAME="2" >The overloaded immutable array interface </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" >module <A HREF="Data-Array-IArray.html" >Data.Array.IArray</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="botbar" >Produced by <A HREF="http://www.haskell.org/haddock/" >Haddock</A > version 2.4.2</TD ></TR ></TABLE ></BODY ></HTML >