<!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 >State</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_State.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" >ghc-6.12.3: The GHC API</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" >State</FONT ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></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" >newtype</SPAN > <A HREF="#t%3AState" >State</A > s a = <A HREF="#v%3AState" >State</A > {<TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="recfield" ><A HREF="#v%3ArunState%27" >runState'</A > :: s -> (#a, s#)</TD ></TR ></TABLE >}</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Aget" >get</A > :: <A HREF="State.html#t%3AState" >State</A > s s</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Agets" >gets</A > :: (s -> a) -> <A HREF="State.html#t%3AState" >State</A > s a</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Aput" >put</A > :: s -> <A HREF="State.html#t%3AState" >State</A > s <A HREF="../ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Amodify" >modify</A > :: (s -> s) -> <A HREF="State.html#t%3AState" >State</A > s <A HREF="../ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AevalState" >evalState</A > :: <A HREF="State.html#t%3AState" >State</A > s a -> s -> a</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AexecState" >execState</A > :: <A HREF="State.html#t%3AState" >State</A > s a -> s -> s</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3ArunState" >runState</A > :: <A HREF="State.html#t%3AState" >State</A > s a -> s -> (a, s)</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AmapAccumLM" >mapAccumLM</A > :: <A HREF="../base-4.2.0.2/Control-Monad.html#t%3AMonad" >Monad</A > m => (acc -> x -> m (acc, y)) -> acc -> [x] -> m (acc, [y])</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" >newtype</SPAN > <A NAME="t:State" ><A NAME="t%3AState" ></A ></A ><B >State</B > s a </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><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:State" ><A NAME="v%3AState" ></A ></A ><B >State</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:runState'" ><A NAME="v%3ArunState%27" ></A ></A ><B >runState'</B > :: s -> (#a, s#)</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:State')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:State" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Control-Monad.html#t%3AMonad" >Monad</A > (<A HREF="State.html#t%3AState" >State</A > s)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Control-Monad.html#t%3AFunctor" >Functor</A > (<A HREF="State.html#t%3AState" >State</A > s)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="MonadUtils.html#t%3AApplicative" >Applicative</A > (<A HREF="State.html#t%3AState" >State</A > s)</TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:get" ><A NAME="v%3Aget" ></A ></A ><B >get</B > :: <A HREF="State.html#t%3AState" >State</A > s s</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:gets" ><A NAME="v%3Agets" ></A ></A ><B >gets</B > :: (s -> a) -> <A HREF="State.html#t%3AState" >State</A > s a</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:put" ><A NAME="v%3Aput" ></A ></A ><B >put</B > :: s -> <A HREF="State.html#t%3AState" >State</A > s <A HREF="../ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:modify" ><A NAME="v%3Amodify" ></A ></A ><B >modify</B > :: (s -> s) -> <A HREF="State.html#t%3AState" >State</A > s <A HREF="../ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:evalState" ><A NAME="v%3AevalState" ></A ></A ><B >evalState</B > :: <A HREF="State.html#t%3AState" >State</A > s a -> s -> a</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:execState" ><A NAME="v%3AexecState" ></A ></A ><B >execState</B > :: <A HREF="State.html#t%3AState" >State</A > s a -> s -> s</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:runState" ><A NAME="v%3ArunState" ></A ></A ><B >runState</B > :: <A HREF="State.html#t%3AState" >State</A > s a -> s -> (a, s)</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:mapAccumLM" ><A NAME="v%3AmapAccumLM" ></A ></A ><B >mapAccumLM</B ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: <A HREF="../base-4.2.0.2/Control-Monad.html#t%3AMonad" >Monad</A > m</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >=> acc -> x -> m (acc, y)</TD ><TD CLASS="rdoc" >combining funcction </TD ></TR ><TR ><TD CLASS="arg" >-> acc</TD ><TD CLASS="rdoc" >initial state </TD ></TR ><TR ><TD CLASS="arg" >-> [x]</TD ><TD CLASS="rdoc" >inputs </TD ></TR ><TR ><TD CLASS="arg" >-> m (acc, [y])</TD ><TD CLASS="rdoc" >final state, outputs </TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" >Monadic version of mapAccumL </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 >