Sophie: ghc-0:6.10.4-1mdv2010.0 i586

ghc-6.10.4-1mdv2010.0.i586.rpm

<!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.Word</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-Word.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-4.1.0.0: 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.Word</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"
>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"
>Unsigned integral types
</A
></DT
><DT
><A HREF="#2"
>Notes
</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"
>Unsigned integer types.
</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%3AWord"
>Word</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AWord8"
>Word8</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AWord16"
>Word16</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AWord32"
>Word32</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AWord64"
>Word64</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"
>Unsigned integral types
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:Word"
><A NAME="t%3AWord"
></A
></A
><B
>Word</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>A <TT
><A HREF="Data-Word.html#t%3AWord"
>Word</A
></TT
> is an unsigned integral type, with the same size as <TT
><A HREF="../ghc-prim/GHC-Types.html#t%3AInt"
>Int</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Word')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Word" 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-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AEnum"
>Enum</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AIntegral"
>Integral</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Data.html#t%3AData"
>Data</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3ANum"
>Num</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%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Read.html#t%3ARead"
>Read</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AReal"
>Real</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="GHC-Arr.html#t%3AIx"
>Ix</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Typeable.html#t%3ATypeable"
>Typeable</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Bits.html#t%3ABits"
>Bits</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Foreign-Storable.html#t%3AStorable"
>Storable</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Printf.html#t%3APrintfArg"
>PrintfArg</A
> <A HREF="Data-Word.html#t%3AWord"
>Word</A
></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:Word8"
><A NAME="t%3AWord8"
></A
></A
><B
>Word8</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>8-bit unsigned integer type
</TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Word8')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Word8" 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-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AEnum"
>Enum</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AIntegral"
>Integral</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Data.html#t%3AData"
>Data</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3ANum"
>Num</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%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Read.html#t%3ARead"
>Read</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AReal"
>Real</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="GHC-Arr.html#t%3AIx"
>Ix</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Typeable.html#t%3ATypeable"
>Typeable</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Bits.html#t%3ABits"
>Bits</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Foreign-Storable.html#t%3AStorable"
>Storable</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Printf.html#t%3APrintfArg"
>PrintfArg</A
> <A HREF="Data-Word.html#t%3AWord8"
>Word8</A
></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:Word16"
><A NAME="t%3AWord16"
></A
></A
><B
>Word16</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>16-bit unsigned integer type
</TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Word16')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Word16" 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-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AEnum"
>Enum</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AIntegral"
>Integral</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Data.html#t%3AData"
>Data</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3ANum"
>Num</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%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Read.html#t%3ARead"
>Read</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AReal"
>Real</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="GHC-Arr.html#t%3AIx"
>Ix</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Typeable.html#t%3ATypeable"
>Typeable</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Bits.html#t%3ABits"
>Bits</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Foreign-Storable.html#t%3AStorable"
>Storable</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Printf.html#t%3APrintfArg"
>PrintfArg</A
> <A HREF="Data-Word.html#t%3AWord16"
>Word16</A
></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:Word32"
><A NAME="t%3AWord32"
></A
></A
><B
>Word32</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>32-bit unsigned integer type
</TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Word32')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Word32" 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-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AEnum"
>Enum</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AIntegral"
>Integral</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Data.html#t%3AData"
>Data</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3ANum"
>Num</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%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Read.html#t%3ARead"
>Read</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AReal"
>Real</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="GHC-Arr.html#t%3AIx"
>Ix</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Typeable.html#t%3ATypeable"
>Typeable</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Bits.html#t%3ABits"
>Bits</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Foreign-Storable.html#t%3AStorable"
>Storable</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Printf.html#t%3APrintfArg"
>PrintfArg</A
> <A HREF="Data-Word.html#t%3AWord32"
>Word32</A
></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:Word64"
><A NAME="t%3AWord64"
></A
></A
><B
>Word64</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>64-bit unsigned integer type
</TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Word64')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Word64" 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-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AEnum"
>Enum</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AIntegral"
>Integral</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Data.html#t%3AData"
>Data</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3ANum"
>Num</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="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Read.html#t%3ARead"
>Read</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Prelude.html#t%3AReal"
>Real</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="GHC-Arr.html#t%3AIx"
>Ix</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Typeable.html#t%3ATypeable"
>Typeable</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Bits.html#t%3ABits"
>Bits</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Foreign-Storable.html#t%3AStorable"
>Storable</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Text-Printf.html#t%3APrintfArg"
>PrintfArg</A
> <A HREF="Data-Word.html#t%3AWord64"
>Word64</A
></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"
>Notes
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="doc"
><UL
><LI
> All arithmetic is performed modulo 2^n, where n is the number of
  bits in the type.  One non-obvious consequence of this is that Prelude.negate
  should <EM
>not</EM
> raise an error on negative arguments.
</LI
><LI
> For coercing between any two integer types, use
  Prelude.fromIntegral, which is specialized for all the
  common cases so should be fast enough.  Coercing word types to and
  from integer types preserves representation, not sign.
</LI
><LI
> It would be very natural to add a type <TT
>Natural</TT
> providing an unbounded 
  size unsigned integer, just as Prelude.Integer provides unbounded
  size signed integers.  We do not do that yet since there is no demand
  for it.
</LI
><LI
> The rules that hold for Prelude.Enum instances over a bounded type
  such as Prelude.Int (see the section of the Haskell report dealing
  with arithmetic sequences) also hold for the Prelude.Enum instances
  over the various <TT
><A HREF="Data-Word.html#t%3AWord"
>Word</A
></TT
> types defined here.
</LI
><LI
> Right and left shifts by amounts greater than or equal to the width
  of the type result in a zero result.  This is contrary to the
  behaviour in C, which is undefined; a common interpretation is to
  truncate the shift count to the width of the type, for example <TT
>1 &lt;&lt;
  32 == 1</TT
> in some C implementations. 
</LI
></UL
></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
>