<!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 >System.IO.HVFS.Combinators</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_System-IO-HVFS-Combinators.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" >MissingH-1.1.0.3: Large utility library</TD ><TD CLASS="topbut" ><A HREF="src/System-IO-HVFS-Combinators.html" >Source code</A ></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" >System.IO.HVFS.Combinators</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" >John Goerzen <jgoerzen@complete.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" >Restrictions </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 >Support for combining different HVFS modules together </P ><P >Copyright (c) 2004-2005 John Goerzen, jgoerzen@complete.org </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" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A HREF="#t%3AHVFSReadOnly" >HVFSReadOnly</A > a = <A HREF="#v%3AHVFSReadOnly" >HVFSReadOnly</A > a</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A HREF="#t%3AHVFSChroot" >HVFSChroot</A > a</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AnewHVFSChroot" >newHVFSChroot</A > :: <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => a -> <A HREF="System-IO-HVFS.html#t%3AFilePath" >FilePath</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSChroot" >HVFSChroot</A > 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" >Restrictions </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A NAME="t:HVFSReadOnly" ><A NAME="t%3AHVFSReadOnly" ></A ></A ><B >HVFSReadOnly</B > a </TD ><TD CLASS="declbut" ><A HREF="src/System-IO-HVFS-Combinators.html#HVFSReadOnly" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" ><P >Restrict access to the underlying filesystem to be strictly read-only. Any write-type operations will cause an error. </P ><P >No constructor is required; just say <TT >HVFSReadOnly fs</TT > to make a new read-only wrapper around the <TT ><A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A ></TT > instance <TT >fs</TT >. </P ></TD ></TR ><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:HVFSReadOnly" ><A NAME="v%3AHVFSReadOnly" ></A ></A ><B >HVFSReadOnly</B > a</TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:HVFSReadOnly')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:HVFSReadOnly" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" >(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > a, <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a) => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSReadOnly" >HVFSReadOnly</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSReadOnly" >HVFSReadOnly</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="System-IO-HVFS.html#t%3AHVFSOpenable" >HVFSOpenable</A > a => <A HREF="System-IO-HVFS.html#t%3AHVFSOpenable" >HVFSOpenable</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSReadOnly" >HVFSReadOnly</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSReadOnly" >HVFSReadOnly</A > a)</TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A NAME="t:HVFSChroot" ><A NAME="t%3AHVFSChroot" ></A ></A ><B >HVFSChroot</B > a </TD ><TD CLASS="declbut" ><A HREF="src/System-IO-HVFS-Combinators.html#HVFSChroot" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" >Access a subdirectory of a real filesystem as if it was the root of that filesystem. </TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:HVFSChroot')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:HVFSChroot" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" >(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > a, <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a) => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSChroot" >HVFSChroot</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSChroot" >HVFSChroot</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="System-IO-HVFS.html#t%3AHVFSOpenable" >HVFSOpenable</A > a => <A HREF="System-IO-HVFS.html#t%3AHVFSOpenable" >HVFSOpenable</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSChroot" >HVFSChroot</A > a)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a => <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSChroot" >HVFSChroot</A > a)</TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:newHVFSChroot" ><A NAME="v%3AnewHVFSChroot" ></A ></A ><B >newHVFSChroot</B ></TD ><TD CLASS="declbut" ><A HREF="src/System-IO-HVFS-Combinators.html#newHVFSChroot" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: <A HREF="System-IO-HVFS.html#t%3AHVFS" >HVFS</A > a</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >=> a</TD ><TD CLASS="rdoc" >The object to pass requests on to </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="System-IO-HVFS.html#t%3AFilePath" >FilePath</A ></TD ><TD CLASS="rdoc" >The path of the directory to make root </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSChroot" >HVFSChroot</A > a)</TD ><TD CLASS="rdoc" >The resulting new object </TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" >Create a new <TT ><A HREF="System-IO-HVFS-Combinators.html#t%3AHVFSChroot" >HVFSChroot</A ></TT > object. </TD ></TR ></TABLE ></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 >