<!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</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.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</FONT ></TD ><TD ALIGN="right" ><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="infohead" >Portability</TD ><TD CLASS="infoval" >portable</TD ></TR ><TR ><TD CLASS="infohead" >Stability</TD ><TD CLASS="infoval" >provisional</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" >Immutable non-strict arrays </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" ><P >Basic non-strict arrays. </P ><P ><EM >Note:</EM > The <A HREF="Data-Array-IArray.html" >Data.Array.IArray</A > module provides a more general interface to immutable arrays: it defines operations with the same names as those defined below, but with more general types, and also defines <TT ><A HREF="../base/GHC-Arr.html#t%3AArray" >Array</A ></TT > instances of the relevant classes. To use that more general interface, import <A HREF="Data-Array-IArray.html" >Data.Array.IArray</A > but not <A HREF="Data-Array.html" >Data.Array</A >. </P ></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" >module <A HREF="../base/Data-Ix.html" >Data.Ix</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#t%3AArray" >Array</A > (<A HREF="../base/GHC-Arr.html#v%3AArray" >Array</A >)</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aarray" >array</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3AlistArray" >listArray</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3AaccumArray" >accumArray</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3A%21" >!</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Abounds" >bounds</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aindices" >indices</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aelems" >elems</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aassocs" >assocs</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3A%2F%2F" >//</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aaccum" >accum</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aixmap" >ixmap</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" >Immutable non-strict arrays </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="doc" ><P >Haskell provides indexable <EM >arrays</EM >, which may be thought of as functions whose domains are isomorphic to contiguous subsets of the integers. Functions restricted in this way can be implemented efficiently; in particular, a programmer may reasonably expect rapid access to the components. To ensure the possibility of such an implementation, arrays are treated as data, not as general functions. </P ><P >Since most array functions involve the class <TT ><A HREF="../base/GHC-Arr.html#t%3AIx" >Ix</A ></TT >, this module is exported from <A HREF="Data-Array.html" >Data.Array</A > so that modules need not import both <A HREF="Data-Array.html" >Data.Array</A > and <A HREF="Data-Ix.html" >Data.Ix</A >. </P ><P >Unfortunately, due to technical limitations, there are no docs here currently, but you can find them in the <TT >GHC.Arr</TT > module in the <TT >base</TT > packages (which provides the actual implementations). </P ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" >module <A HREF="../base/Data-Ix.html" >Data.Ix</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#t%3AArray" >Array</A > (<A HREF="../base/GHC-Arr.html#v%3AArray" >Array</A >)</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aarray" >array</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3AlistArray" >listArray</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3AaccumArray" >accumArray</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3A%21" >!</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Abounds" >bounds</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aindices" >indices</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aelems" >elems</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aassocs" >assocs</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3A%2F%2F" >//</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aaccum" >accum</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base/GHC-Arr.html#v%3Aixmap" >ixmap</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 >