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

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

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>Distribution.Simple.Configure</TITLE
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>Cabal-1.6.0.3: A framework for packaging Haskell software</TD
><TD CLASS="topbut"
><A HREF="index.html"
>Contents</A
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><FONT SIZE="6"
>Distribution.Simple.Configure</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"
>Maintainer</TD
><TD CLASS="infoval"
>cabal-devel@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"
><P
>This deals with the <EM
>configure</EM
> phase. It provides the <TT
><A HREF="Distribution-Simple-Configure.html#v%3Aconfigure"
>configure</A
></TT
> action
 which is given the package description and configure flags. It then tries
 to: configure the compiler; resolves any conditionals in the package
 description; resolve the package dependencies; check if all the extensions
 used by this package are supported by the compiler; check that all the build
 tools are available (including version checks if appropriate); checks for
 any required <TT
>pkg-config</TT
> packages (updating the <TT
><A HREF="Distribution-PackageDescription.html#t%3ABuildInfo"
>BuildInfo</A
></TT
> with the
 results)
</P
><P
>Then based on all this it saves the info in the <TT
><A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
></TT
> and writes
 it out to the <TT
>dist/setup-config</TT
> file. It also displays various details to
 the user, the amount of information displayed depending on the verbosity
 level.
</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"
><A HREF="#v%3Aconfigure"
>configure</A
> :: (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Distribution-PackageDescription.html#t%3AGenericPackageDescription"
>GenericPackageDescription</A
> <A HREF="Distribution-PackageDescription.html#t%3APackageDescription"
>PackageDescription</A
>, <A HREF="Distribution-PackageDescription.html#t%3AHookedBuildInfo"
>HookedBuildInfo</A
>) -&gt; <A HREF="Distribution-Simple-Setup.html#t%3AConfigFlags"
>ConfigFlags</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AwritePersistBuildConfig"
>writePersistBuildConfig</A
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AgetPersistBuildConfig"
>getPersistBuildConfig</A
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcheckPersistBuildConfig"
>checkPersistBuildConfig</A
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmaybeGetPersistBuildConfig"
>maybeGetPersistBuildConfig</A
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
>)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AlocalBuildInfoFile"
>localBuildInfoFile</A
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AgetInstalledPackages"
>getInstalledPackages</A
> :: <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="Distribution-Simple-Compiler.html#t%3ACompiler"
>Compiler</A
> -&gt; <A HREF="Distribution-Simple-Compiler.html#t%3APackageDB"
>PackageDB</A
> -&gt; <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="Distribution-Simple-PackageIndex.html#t%3APackageIndex"
>PackageIndex</A
> <A HREF="Distribution-InstalledPackageInfo.html#t%3AInstalledPackageInfo"
>InstalledPackageInfo</A
>))</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AconfigDependency"
>configDependency</A
> :: <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="Distribution-Simple-PackageIndex.html#t%3APackageIndex"
>PackageIndex</A
> <A HREF="Distribution-InstalledPackageInfo.html#t%3AInstalledPackageInfo"
>InstalledPackageInfo</A
> -&gt; <A HREF="Distribution-Package.html#t%3ADependency"
>Dependency</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Distribution-Package.html#t%3APackageIdentifier"
>PackageIdentifier</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AconfigCompiler"
>configCompiler</A
> :: <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="Distribution-Compiler.html#t%3ACompilerFlavor"
>CompilerFlavor</A
> -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
> -&gt; <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="Distribution-Simple-Compiler.html#t%3ACompiler"
>Compiler</A
>, <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
>)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AconfigCompilerAux"
>configCompilerAux</A
> :: <A HREF="Distribution-Simple-Setup.html#t%3AConfigFlags"
>ConfigFlags</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="Distribution-Simple-Compiler.html#t%3ACompiler"
>Compiler</A
>, <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
>)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AccLdOptionsBuildInfo"
>ccLdOptionsBuildInfo</A
> :: [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>] -&gt; [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="Distribution-PackageDescription.html#t%3ABuildInfo"
>BuildInfo</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtryGetConfigStateFile"
>tryGetConfigStateFile</A
> :: <A HREF="../base/Text-Read.html#t%3ARead"
>Read</A
> a =&gt; <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcheckForeignDeps"
>checkForeignDeps</A
> :: <A HREF="Distribution-PackageDescription.html#t%3APackageDescription"
>PackageDescription</A
> -&gt; <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
> -&gt; <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</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"
><A NAME="v:configure"
><A NAME="v%3Aconfigure"
></A
></A
><B
>configure</B
> :: (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Distribution-PackageDescription.html#t%3AGenericPackageDescription"
>GenericPackageDescription</A
> <A HREF="Distribution-PackageDescription.html#t%3APackageDescription"
>PackageDescription</A
>, <A HREF="Distribution-PackageDescription.html#t%3AHookedBuildInfo"
>HookedBuildInfo</A
>) -&gt; <A HREF="Distribution-Simple-Setup.html#t%3AConfigFlags"
>ConfigFlags</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
></TD
></TR
><TR
><TD CLASS="doc"
>Perform the &quot;<TT
>./setup configure</TT
>&quot; action.
 Returns the <TT
>.setup-config</TT
> file.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:writePersistBuildConfig"
><A NAME="v%3AwritePersistBuildConfig"
></A
></A
><B
>writePersistBuildConfig</B
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="doc"
>After running configure, output the <TT
><A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
></TT
> to the
 <TT
><A HREF="Distribution-Simple-Configure.html#v%3AlocalBuildInfoFile"
>localBuildInfoFile</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:getPersistBuildConfig"
><A NAME="v%3AgetPersistBuildConfig"
></A
></A
><B
>getPersistBuildConfig</B
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
></TD
></TR
><TR
><TD CLASS="doc"
>Read the <TT
><A HREF="Distribution-Simple-Configure.html#v%3AlocalBuildInfoFile"
>localBuildInfoFile</A
></TT
>.  Error if it doesn't exist.  Also
 fail if the file containing LocalBuildInfo is older than the .cabal
 file, indicating that a re-configure is required.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:checkPersistBuildConfig"
><A NAME="v%3AcheckPersistBuildConfig"
></A
></A
><B
>checkPersistBuildConfig</B
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="doc"
>Check that localBuildInfoFile is up-to-date with respect to the
 .cabal file.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:maybeGetPersistBuildConfig"
><A NAME="v%3AmaybeGetPersistBuildConfig"
></A
></A
><B
>maybeGetPersistBuildConfig</B
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
>)</TD
></TR
><TR
><TD CLASS="doc"
>Try to read the <TT
><A HREF="Distribution-Simple-Configure.html#v%3AlocalBuildInfoFile"
>localBuildInfoFile</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:localBuildInfoFile"
><A NAME="v%3AlocalBuildInfoFile"
></A
></A
><B
>localBuildInfoFile</B
> :: <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
></TD
></TR
><TR
><TD CLASS="doc"
><PRE
>dist/setup-config</PRE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:getInstalledPackages"
><A NAME="v%3AgetInstalledPackages"
></A
></A
><B
>getInstalledPackages</B
> :: <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="Distribution-Simple-Compiler.html#t%3ACompiler"
>Compiler</A
> -&gt; <A HREF="Distribution-Simple-Compiler.html#t%3APackageDB"
>PackageDB</A
> -&gt; <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="Distribution-Simple-PackageIndex.html#t%3APackageIndex"
>PackageIndex</A
> <A HREF="Distribution-InstalledPackageInfo.html#t%3AInstalledPackageInfo"
>InstalledPackageInfo</A
>))</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:configDependency"
><A NAME="v%3AconfigDependency"
></A
></A
><B
>configDependency</B
> :: <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="Distribution-Simple-PackageIndex.html#t%3APackageIndex"
>PackageIndex</A
> <A HREF="Distribution-InstalledPackageInfo.html#t%3AInstalledPackageInfo"
>InstalledPackageInfo</A
> -&gt; <A HREF="Distribution-Package.html#t%3ADependency"
>Dependency</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Distribution-Package.html#t%3APackageIdentifier"
>PackageIdentifier</A
></TD
></TR
><TR
><TD CLASS="doc"
>Test for a package dependency and record the version we have installed.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:configCompiler"
><A NAME="v%3AconfigCompiler"
></A
></A
><B
>configCompiler</B
> :: <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="Distribution-Compiler.html#t%3ACompilerFlavor"
>CompilerFlavor</A
> -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
> -&gt; <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="Distribution-Simple-Compiler.html#t%3ACompiler"
>Compiler</A
>, <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
>)</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:configCompilerAux"
><A NAME="v%3AconfigCompilerAux"
></A
></A
><B
>configCompilerAux</B
> :: <A HREF="Distribution-Simple-Setup.html#t%3AConfigFlags"
>ConfigFlags</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="Distribution-Simple-Compiler.html#t%3ACompiler"
>Compiler</A
>, <A HREF="Distribution-Simple-Program.html#t%3AProgramConfiguration"
>ProgramConfiguration</A
>)</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:ccLdOptionsBuildInfo"
><A NAME="v%3AccLdOptionsBuildInfo"
></A
></A
><B
>ccLdOptionsBuildInfo</B
> :: [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>] -&gt; [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="Distribution-PackageDescription.html#t%3ABuildInfo"
>BuildInfo</A
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Makes a <TT
><A HREF="Distribution-PackageDescription.html#t%3ABuildInfo"
>BuildInfo</A
></TT
> from C compiler and linker flags.
</P
><P
>This can be used with the output from configuration programs like pkg-config
 and similar package-specific programs like mysql-config, freealut-config etc.
 For example:
</P
><PRE
> ccflags &lt;- rawSystemProgramStdoutConf verbosity prog conf [&quot;--cflags&quot;]
 ldflags &lt;- rawSystemProgramStdoutConf verbosity prog conf [&quot;--libs&quot;]
 return (ccldOptionsBuildInfo (words ccflags) (words ldflags))
</PRE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:tryGetConfigStateFile"
><A NAME="v%3AtryGetConfigStateFile"
></A
></A
><B
>tryGetConfigStateFile</B
> :: <A HREF="../base/Text-Read.html#t%3ARead"
>Read</A
> a =&gt; <A HREF="../base/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> a)</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:checkForeignDeps"
><A NAME="v%3AcheckForeignDeps"
></A
></A
><B
>checkForeignDeps</B
> :: <A HREF="Distribution-PackageDescription.html#t%3APackageDescription"
>PackageDescription</A
> -&gt; <A HREF="Distribution-Simple-LocalBuildInfo.html#t%3ALocalBuildInfo"
>LocalBuildInfo</A
> -&gt; <A HREF="Distribution-Verbosity.html#t%3AVerbosity"
>Verbosity</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</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
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