<!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.Ord</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-Ord.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" >base-4.2.0.2: Basic libraries</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.Ord</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" >stable</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 CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" >Orderings </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" >class</SPAN > <A HREF="Data-Eq.html#t%3AEq" >Eq</A > a => <A HREF="#t%3AOrd" >Ord</A > a <SPAN CLASS="keyword" >where</SPAN ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="#v%3Acompare" >compare</A > :: a -> a -> <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3A%3C" >(<)</A > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3A%3E%3D" >(>=)</A > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3A%3E" >(>)</A > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3A%3C%3D" >(<=)</A > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Amax" >max</A > :: a -> a -> a</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Amin" >min</A > :: a -> a -> a</TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3AOrdering" >Ordering</A > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" >= <A HREF="#v%3ALT" >LT</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AEQ" >EQ</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AGT" >GT</A ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Acomparing" >comparing</A > :: <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => (b -> a) -> b -> b -> <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Documentation</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >class</SPAN > <A HREF="Data-Eq.html#t%3AEq" >Eq</A > a => <A NAME="t:Ord" ><A NAME="t%3AOrd" ></A ></A ><B >Ord</B > a <SPAN CLASS="keyword" >where</SPAN ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" ><P >The <TT ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A ></TT > class is used for totally ordered datatypes. </P ><P >Instances of <TT ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A ></TT > can be derived for any user-defined datatype whose constituent types are in <TT ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A ></TT >. The declared order of the constructors in the data declaration determines the ordering in derived <TT ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A ></TT > instances. The <TT ><A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TT > datatype allows a single comparison to determine the precise ordering of two objects. </P ><P >Minimal complete definition: either <TT ><A HREF="Data-Ord.html#v%3Acompare" >compare</A ></TT > or <TT ><A HREF="Data-Ord.html#v%3A%3C%3D" ><=</A ></TT >. Using <TT ><A HREF="Data-Ord.html#v%3Acompare" >compare</A ></TT > can be more efficient for complex types. </P ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="section4" >Methods</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A NAME="v:compare" ><A NAME="v%3Acompare" ></A ></A ><B >compare</B > :: a -> a -> <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:<" ><A NAME="v%3A%3C" ></A ></A ><B >(<)</B > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:>=" ><A NAME="v%3A%3E%3D" ></A ></A ><B >(>=)</B > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:>" ><A NAME="v%3A%3E" ></A ></A ><B >(>)</B > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:<=" ><A NAME="v%3A%3C%3D" ></A ></A ><B >(<=)</B > :: a -> a -> <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:max" ><A NAME="v%3Amax" ></A ></A ><B >max</B > :: a -> a -> a</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:min" ><A NAME="v%3Amin" ></A ></A ><B >min</B > :: a -> a -> a</TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Ord')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:Ord" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Char.html#t%3AChar" >Char</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Prelude.html#t%3ADouble" >Double</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Prelude.html#t%3AFloat" >Float</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Int.html#t%3AInt" >Int</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Int.html#t%3AInt8" >Int8</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Int.html#t%3AInt16" >Int16</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Int.html#t%3AInt32" >Int32</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Int.html#t%3AInt64" >Int64</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Prelude.html#t%3AInteger" >Integer</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Word.html#t%3AWord" >Word</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Word.html#t%3AWord8" >Word8</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Word.html#t%3AWord16" >Word16</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Word.html#t%3AWord32" >Word32</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Word.html#t%3AWord64" >Word64</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > ()</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Control-Exception-Base.html#t%3AArithException" >ArithException</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-IO.html#t%3AIOMode" >IOMode</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="GHC-IO-Device.html#t%3ASeekMode" >SeekMode</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACUIntMax" >CUIntMax</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACIntMax" >CIntMax</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACUIntPtr" >CUIntPtr</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACIntPtr" >CIntPtr</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACTime" >CTime</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACClock" >CClock</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACSigAtomic" >CSigAtomic</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACWchar" >CWchar</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACSize" >CSize</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACPtrdiff" >CPtrdiff</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACDouble" >CDouble</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACFloat" >CFloat</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACULLong" >CULLong</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACLLong" >CLLong</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACULong" >CULong</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACLong" >CLong</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACUInt" >CUInt</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACInt" >CInt</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACUShort" >CUShort</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACShort" >CShort</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACUChar" >CUChar</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACSChar" >CSChar</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-C-Types.html#t%3ACChar" >CChar</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Char.html#t%3AGeneralCategory" >GeneralCategory</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-Ptr.html#t%3AIntPtr" >IntPtr</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Foreign-Ptr.html#t%3AWordPtr" >WordPtr</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="GHC-IO-Handle.html#t%3ABufferMode" >BufferMode</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Exit.html#t%3AExitCode" >ExitCode</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Control-Exception-Base.html#t%3AArrayException" >ArrayException</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Control-Exception-Base.html#t%3AAsyncException" >AsyncException</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3AFd" >Fd</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACRLim" >CRLim</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACTcflag" >CTcflag</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACSpeed" >CSpeed</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACCc" >CCc</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACUid" >CUid</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACNlink" >CNlink</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACGid" >CGid</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACSsize" >CSsize</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACPid" >CPid</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACOff" >COff</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACMode" >CMode</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACIno" >CIno</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="System-Posix-Types.html#t%3ACDev" >CDev</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="GHC-Conc.html#t%3AThreadStatus" >ThreadStatus</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="GHC-Conc.html#t%3ABlockReason" >BlockReason</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Control-Concurrent.html#t%3AThreadId" >ThreadId</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Unique.html#t%3AUnique" >Unique</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Monoid.html#t%3AAny" >Any</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Monoid.html#t%3AAll" >All</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Version.html#t%3AVersion" >Version</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > [a]</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Prelude.html#t%3AIntegral" >Integral</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Ratio.html#t%3ARatio" >Ratio</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Foreign-Ptr.html#t%3APtr" >Ptr</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Foreign-Ptr.html#t%3AFunPtr" >FunPtr</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > ([::] a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Maybe.html#t%3AMaybe" >Maybe</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Foreign-ForeignPtr.html#t%3AForeignPtr" >ForeignPtr</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="GHC-Exts.html#t%3ADown" >Down</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Monoid.html#t%3ALast" >Last</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Monoid.html#t%3AFirst" >First</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Monoid.html#t%3AProduct" >Product</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Monoid.html#t%3ASum" >Sum</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Monoid.html#t%3ADual" >Dual</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Fixed.html#t%3AFixed" >Fixed</A > a)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Data-Either.html#t%3AEither" >Either</A > a b)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ix.html#t%3AIx" >Ix</A > i, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (Array i e)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > i) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h, i)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > i, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > j) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h, i, j)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > i, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > j, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > k) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h, i, j, k)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > i, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > j, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > k, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > l) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h, i, j, k, l)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > i, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > j, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > k, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > l, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > m) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h, i, j, k, l, m)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > i, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > j, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > k, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > l, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > m, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > n) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h, i, j, k, l, m, n)</TD ></TR ><TR ><TD CLASS="decl" >(<A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > b, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > c, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > d, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > e, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > f, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > g, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > h, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > i, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > j, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > k, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > l, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > m, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > n, <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > o) => <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o)</TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:Ordering" ><A NAME="t%3AOrdering" ></A ></A ><B >Ordering</B > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:LT" ><A NAME="v%3ALT" ></A ></A ><B >LT</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:EQ" ><A NAME="v%3AEQ" ></A ></A ><B >EQ</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:GT" ><A NAME="v%3AGT" ></A ></A ><B >GT</B ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Ordering')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:Ordering" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="Prelude.html#t%3ABounded" >Bounded</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Prelude.html#t%3AEnum" >Enum</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Eq.html#t%3AEq" >Eq</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Data.html#t%3AData" >Data</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Text-Read.html#t%3ARead" >Read</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Text-Show.html#t%3AShow" >Show</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Ix.html#t%3AIx" >Ix</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Typeable.html#t%3ATypeable" >Typeable</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Data-Monoid.html#t%3AMonoid" >Monoid</A > <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:comparing" ><A NAME="v%3Acomparing" ></A ></A ><B >comparing</B > :: <A HREF="Data-Ord.html#t%3AOrd" >Ord</A > a => (b -> a) -> b -> b -> <A HREF="Data-Ord.html#t%3AOrdering" >Ordering</A ></TD ></TR ><TR ><TD CLASS="doc" ><PRE > comparing p x y = compare (p x) (p y) </PRE ><P >Useful combinator for use in conjunction with the <TT >xxxBy</TT > family of functions from <A HREF="Data-List.html" >Data.List</A >, for example: </P ><PRE > ... sortBy (comparing fst) ... </PRE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="botbar" >Produced by <A HREF="http://www.haskell.org/haddock/" >Haddock</A > version 2.6.1</TD ></TR ></TABLE ></BODY ></HTML >