<!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.Log.Handler.Simple</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-Log-Handler-Simple.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" >hslogger-1.1.0: Versatile logging framework</TD ><TD CLASS="topbut" ><A HREF="src/System-Log-Handler-Simple.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.Log.Handler.Simple</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 CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" ><P >Simple log handlers </P ><P >Written by 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" ><A HREF="#v%3AstreamHandler" >streamHandler</A > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A > -> <A HREF="System-Log.html#t%3APriority" >Priority</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A >)</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AfileHandler" >fileHandler</A > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath" >FilePath</A > -> <A HREF="System-Log.html#t%3APriority" >Priority</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A >)</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3AGenericHandler" >GenericHandler</A > a = <A HREF="#v%3AGenericHandler" >GenericHandler</A > {<TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="recfield" ><A HREF="#v%3Apriority" >priority</A > :: <A HREF="System-Log.html#t%3APriority" >Priority</A ></TD ></TR ><TR ><TD CLASS="recfield" ><A HREF="#v%3Aformatter" >formatter</A > :: <A HREF="System-Log-Formatter.html#t%3ALogFormatter" >LogFormatter</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > a)</TD ></TR ><TR ><TD CLASS="recfield" ><A HREF="#v%3AprivData" >privData</A > :: a</TD ></TR ><TR ><TD CLASS="recfield" ><A HREF="#v%3AwriteFunc" >writeFunc</A > :: a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="recfield" ><A HREF="#v%3AcloseFunc" >closeFunc</A > :: a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ></TABLE >}</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AverboseStreamHandler" >verboseStreamHandler</A > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A > -> <A HREF="System-Log.html#t%3APriority" >Priority</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</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="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:streamHandler" ><A NAME="v%3AstreamHandler" ></A ></A ><B >streamHandler</B > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A > -> <A HREF="System-Log.html#t%3APriority" >Priority</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A >)</TD ><TD CLASS="declbut" ><A HREF="src/System-Log-Handler-Simple.html#streamHandler" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Create a stream log handler. Log messages sent to this handler will be sent to the stream used initially. Note that the <TT ><A HREF="System-Log-Handler.html#v%3Aclose" >close</A ></TT > method will have no effect on stream handlers; it does not actually close the underlying stream. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:fileHandler" ><A NAME="v%3AfileHandler" ></A ></A ><B >fileHandler</B > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath" >FilePath</A > -> <A HREF="System-Log.html#t%3APriority" >Priority</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A >)</TD ><TD CLASS="declbut" ><A HREF="src/System-Log-Handler-Simple.html#fileHandler" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Create a file log handler. Log messages sent to this handler will be sent to the filename specified, which will be opened in Append mode. Calling <TT ><A HREF="System-Log-Handler.html#v%3Aclose" >close</A ></TT > on the handler will close the file. </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 NAME="t:GenericHandler" ><A NAME="t%3AGenericHandler" ></A ></A ><B >GenericHandler</B > a </TD ><TD CLASS="declbut" ><A HREF="src/System-Log-Handler-Simple.html#GenericHandler" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" >A helper data type. </TD ></TR ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="5" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:GenericHandler" ><A NAME="v%3AGenericHandler" ></A ></A ><B >GenericHandler</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="body" COLSPAN="2" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:priority" ><A NAME="v%3Apriority" ></A ></A ><B >priority</B > :: <A HREF="System-Log.html#t%3APriority" >Priority</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:formatter" ><A NAME="v%3Aformatter" ></A ></A ><B >formatter</B > :: <A HREF="System-Log-Formatter.html#t%3ALogFormatter" >LogFormatter</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > a)</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:privData" ><A NAME="v%3AprivData" ></A ></A ><B >privData</B > :: a</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:writeFunc" ><A NAME="v%3AwriteFunc" ></A ></A ><B >writeFunc</B > :: a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:closeFunc" ><A NAME="v%3AcloseFunc" ></A ></A ><B >closeFunc</B > :: a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:GenericHandler')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:GenericHandler" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="System-Log-Handler.html#t%3ALogHandler" >LogHandler</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</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:verboseStreamHandler" ><A NAME="v%3AverboseStreamHandler" ></A ></A ><B >verboseStreamHandler</B > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A > -> <A HREF="System-Log.html#t%3APriority" >Priority</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="System-Log-Handler-Simple.html#t%3AGenericHandler" >GenericHandler</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle" >Handle</A >)</TD ><TD CLASS="declbut" ><A HREF="src/System-Log-Handler-Simple.html#verboseStreamHandler" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Like <TT ><A HREF="System-Log-Handler-Simple.html#v%3AstreamHandler" >streamHandler</A ></TT >, but note the priority and logger name along with each message. </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 >