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>Data.Ord</TITLE
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>base-4.1.0.0: Basic libraries</TD
><TD CLASS="topbut"
><A HREF="index.html"
>Contents</A
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>Index</A
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><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 =&gt; <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 -&gt; a -&gt; <A HREF="../ghc-prim/GHC-Ordering.html#t%3AOrdering"
>Ordering</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3A%3C"
>(&lt;)</A
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3A%3E%3D"
>(&gt;=)</A
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3A%3E"
>(&gt;)</A
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3A%3C%3D"
>(&lt;=)</A
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Amax"
>max</A
> :: a -&gt; a -&gt; a</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Amin"
>min</A
> :: a -&gt; a -&gt; a</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../ghc-prim/GHC-Ordering.html#t%3AOrdering"
>Ordering</A
> (<A HREF="../ghc-prim/GHC-Ordering.html#v%3ALT"
>LT</A
>, <A HREF="../ghc-prim/GHC-Ordering.html#v%3AEQ"
>EQ</A
>, <A HREF="../ghc-prim/GHC-Ordering.html#v%3AGT"
>GT</A
>)</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 =&gt; (b -&gt; a) -&gt; b -&gt; b -&gt; <A HREF="../ghc-prim/GHC-Ordering.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 =&gt; <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="../ghc-prim/GHC-Ordering.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"
>&lt;=</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 -&gt; a -&gt; <A HREF="../ghc-prim/GHC-Ordering.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
>(&lt;)</B
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-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
>(&gt;=)</B
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-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
>(&gt;)</B
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-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
>(&lt;=)</B
> :: a -&gt; a -&gt; <A HREF="../ghc-prim/GHC-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 -&gt; a -&gt; 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 -&gt; a -&gt; 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="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> <A HREF="../ghc-prim/GHC-Types.html#t%3AChar"
>Char</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> <A HREF="../ghc-prim/GHC-Types.html#t%3ADouble"
>Double</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> <A HREF="../ghc-prim/GHC-Types.html#t%3AFloat"
>Float</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> <A HREF="../ghc-prim/GHC-Types.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="../integer/GHC-Integer.html#t%3AInteger"
>Integer</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> <A HREF="../ghc-prim/GHC-Ordering.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
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</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="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%3ACLDouble"
>CLDouble</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="System-IO.html#t%3AIOMode"
>IOMode</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-IO.html#t%3ABufferMode"
>BufferMode</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="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="System-IO.html#t%3ASeekMode"
>SeekMode</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-Unique.html#t%3AUnique"
>Unique</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 =&gt; <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 =&gt; <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 =&gt; <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 =&gt; <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 =&gt; <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 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 =&gt; <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 =&gt; <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 =&gt; <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 =&gt; <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 =&gt; <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, <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> b) =&gt; <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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%29"
>(,)</A
> a b)</TD
></TR
><TR
><TD CLASS="decl"
>(<A HREF="GHC-Arr.html#t%3AIx"
>Ix</A
> i, <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> e) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="GHC-Arr.html#t%3AArray"
>Array</A
> 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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%29"
>(,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%29"
>(,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%29"
>(,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%29"
>(,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,,,,,,,)</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) =&gt; <A HREF="Data-Ord.html#t%3AOrd"
>Ord</A
> (<A HREF="../ghc-prim/GHC-Tuple.html#t%3A%28%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%29"
>(,,,,,,,,,,,,,,)</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"
><A HREF="../ghc-prim/GHC-Ordering.html#t%3AOrdering"
>Ordering</A
> (<A HREF="../ghc-prim/GHC-Ordering.html#v%3ALT"
>LT</A
>, <A HREF="../ghc-prim/GHC-Ordering.html#v%3AEQ"
>EQ</A
>, <A HREF="../ghc-prim/GHC-Ordering.html#v%3AGT"
>GT</A
>)</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 =&gt; (b -&gt; a) -&gt; b -&gt; b -&gt; <A HREF="../ghc-prim/GHC-Ordering.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 2.4.2</TD
></TR
></TABLE
></BODY
></HTML
>