<!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 >Unify</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_Unify.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="src/Unify.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" >Unify</FONT ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="s15" ></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:tcMatchTy" ><A NAME="v%3AtcMatchTy" ></A ></A ><B >tcMatchTy</B > :: <A HREF="VarSet.html#t%3ATyVarSet" >TyVarSet</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Type.html#t%3ATvSubst" >TvSubst</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#tcMatchTy" >Source</A ></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:tcMatchTys" ><A NAME="v%3AtcMatchTys" ></A ></A ><B >tcMatchTys</B > :: <A HREF="VarSet.html#t%3ATyVarSet" >TyVarSet</A > -> [<A HREF="Type.html#t%3AType" >Type</A >] -> [<A HREF="Type.html#t%3AType" >Type</A >] -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Type.html#t%3ATvSubst" >TvSubst</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#tcMatchTys" >Source</A ></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:tcMatchTyX" ><A NAME="v%3AtcMatchTyX" ></A ></A ><B >tcMatchTyX</B > :: <A HREF="VarSet.html#t%3ATyVarSet" >TyVarSet</A > -> <A HREF="Type.html#t%3ATvSubst" >TvSubst</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Type.html#t%3ATvSubst" >TvSubst</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#tcMatchTyX" >Source</A ></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:ruleMatchTyX" ><A NAME="v%3AruleMatchTyX" ></A ></A ><B >ruleMatchTyX</B > :: <A HREF="Unify.html#t%3AMatchEnv" >MatchEnv</A > -> <A HREF="Type.html#t%3ATvSubstEnv" >TvSubstEnv</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Type.html#t%3ATvSubstEnv" >TvSubstEnv</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#ruleMatchTyX" >Source</A ></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:tcMatchPreds" ><A NAME="v%3AtcMatchPreds" ></A ></A ><B >tcMatchPreds</B > :: [<A HREF="Var.html#t%3ATyVar" >TyVar</A >] -> [<A HREF="Type.html#t%3APredType" >PredType</A >] -> [<A HREF="Type.html#t%3APredType" >PredType</A >] -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Type.html#t%3ATvSubstEnv" >TvSubstEnv</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#tcMatchPreds" >Source</A ></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 NAME="t:MatchEnv" ><A NAME="t%3AMatchEnv" ></A ></A ><B >MatchEnv</B > </TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#MatchEnv" >Source</A ></TD ></TR ></TABLE ></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:ME" ><A NAME="v%3AME" ></A ></A ><B >ME</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:me_tmpls" ><A NAME="v%3Ame_tmpls" ></A ></A ><B >me_tmpls</B > :: <A HREF="VarSet.html#t%3AVarSet" >VarSet</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:me_env" ><A NAME="v%3Ame_env" ></A ></A ><B >me_env</B > :: <A HREF="VarEnv.html#t%3ARnEnv2" >RnEnv2</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></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:dataConCannotMatch" ><A NAME="v%3AdataConCannotMatch" ></A ></A ><B >dataConCannotMatch</B > :: [<A HREF="Type.html#t%3AType" >Type</A >] -> <A HREF="DataCon.html#t%3ADataCon" >DataCon</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#dataConCannotMatch" >Source</A ></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 NAME="t:Refinement" ><A NAME="t%3ARefinement" ></A ></A ><B >Refinement</B > </TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#Refinement" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Refinement')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:Refinement" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="Outputable.html#t%3AOutputable" >Outputable</A > <A HREF="Unify.html#t%3ARefinement" >Refinement</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:emptyRefinement" ><A NAME="v%3AemptyRefinement" ></A ></A ><B >emptyRefinement</B > :: <A HREF="Unify.html#t%3ARefinement" >Refinement</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#emptyRefinement" >Source</A ></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:isEmptyRefinement" ><A NAME="v%3AisEmptyRefinement" ></A ></A ><B >isEmptyRefinement</B > :: <A HREF="Unify.html#t%3ARefinement" >Refinement</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#isEmptyRefinement" >Source</A ></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:matchRefine" ><A NAME="v%3AmatchRefine" ></A ></A ><B >matchRefine</B > :: [<A HREF="Var.html#t%3ATyVar" >TyVar</A >] -> [<A HREF="Coercion.html#t%3ACoercion" >Coercion</A >] -> <A HREF="Unify.html#t%3ARefinement" >Refinement</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#matchRefine" >Source</A ></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:refineType" ><A NAME="v%3ArefineType" ></A ></A ><B >refineType</B > :: <A HREF="Unify.html#t%3ARefinement" >Refinement</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > (<A HREF="Coercion.html#t%3ACoercion" >Coercion</A >, <A HREF="Type.html#t%3AType" >Type</A >)</TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#refineType" >Source</A ></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:refinePred" ><A NAME="v%3ArefinePred" ></A ></A ><B >refinePred</B > :: <A HREF="Unify.html#t%3ARefinement" >Refinement</A > -> <A HREF="Type.html#t%3APredType" >PredType</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > (<A HREF="Coercion.html#t%3ACoercion" >Coercion</A >, <A HREF="Type.html#t%3APredType" >PredType</A >)</TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#refinePred" >Source</A ></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:refineResType" ><A NAME="v%3ArefineResType" ></A ></A ><B >refineResType</B > :: <A HREF="Unify.html#t%3ARefinement" >Refinement</A > -> <A HREF="Type.html#t%3AType" >Type</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > (<A HREF="Coercion.html#t%3ACoercion" >Coercion</A >, <A HREF="Type.html#t%3AType" >Type</A >)</TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#refineResType" >Source</A ></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:tcUnifyTys" ><A NAME="v%3AtcUnifyTys" ></A ></A ><B >tcUnifyTys</B > :: (<A HREF="Var.html#t%3ATyVar" >TyVar</A > -> <A HREF="Unify.html#t%3ABindFlag" >BindFlag</A >) -> [<A HREF="Type.html#t%3AType" >Type</A >] -> [<A HREF="Type.html#t%3AType" >Type</A >] -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Type.html#t%3ATvSubst" >TvSubst</A ></TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#tcUnifyTys" >Source</A ></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 NAME="t:BindFlag" ><A NAME="t%3ABindFlag" ></A ></A ><B >BindFlag</B > </TD ><TD CLASS="declbut" ><A HREF="src/Unify.html#BindFlag" >Source</A ></TD ></TR ></TABLE ></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="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:BindMe" ><A NAME="v%3ABindMe" ></A ></A ><B >BindMe</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:Skolem" ><A NAME="v%3ASkolem" ></A ></A ><B >Skolem</B ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></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 >