<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Control.Monad.RWS.Class</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script type="text/javascript">//<![CDATA[
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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Control-Monad-RWS-Class.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">mtl-2.0.1.0: Monad classes, using functional dependencies</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Portability</th><td>non-portable (multi-param classes, functional dependencies)</td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Maintainer</th><td>libraries@haskell.org</td></tr></table><p class="caption">Control.Monad.RWS.Class</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>Declaration of the MonadRWS class.
</p><p>Inspired by the paper
<em>Functional Programming with Overloading and Higher-Order Polymorphism</em>,
Mark P Jones (<a href="http://web.cecs.pdx.edu/~mpj/">http://web.cecs.pdx.edu/~mpj/</a>)
Advanced School of Functional Programming, 1995.
</p></div></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><span class="keyword">class</span> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Monoid">Monoid</a> w, <a href="Control-Monad-Reader-Class.html#t:MonadReader">MonadReader</a> r m, <a href="Control-Monad-Writer-Class.html#t:MonadWriter">MonadWriter</a> w m, <a href="Control-Monad-State-Class.html#t:MonadState">MonadState</a> s m) => <a name="t:MonadRWS" class="def">MonadRWS</a> r w s m | m -> r, m -> w, m -> s<a href="src/Control-Monad-RWS-Class.html#MonadRWS" class="link">Source</a></p><div class="subs instances"><p id="control.i:MonadRWS" class="caption collapser" onclick="toggleSection('i:MonadRWS')">Instances</p><div id="section.i:MonadRWS" class="show"><table><tr><td class="src"><a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s m => <a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s (<a href="/usr/share/doc/ghc/html/libraries/transformers-0.2.2.0/Control-Monad-Trans-Maybe.html#t:MaybeT">MaybeT</a> m)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s m => <a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s (<a href="/usr/share/doc/ghc/html/libraries/transformers-0.2.2.0/Control-Monad-Trans-Identity.html#t:IdentityT">IdentityT</a> m)</td><td class="doc empty"> </td></tr><tr><td class="src">(<a href="Control-Monad-Error-Class.html#t:Error">Error</a> e, <a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s m) => <a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s (<a href="Control-Monad-Error.html#t:ErrorT">ErrorT</a> e m)</td><td class="doc empty"> </td></tr><tr><td class="src">(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Monoid">Monoid</a> w, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Control-Monad.html#t:Monad">Monad</a> m) => <a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s (<a href="Control-Monad-RWS-Strict.html#t:RWST">RWST</a> r w s m)</td><td class="doc empty"> </td></tr><tr><td class="src">(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Monoid">Monoid</a> w, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Control-Monad.html#t:Monad">Monad</a> m) => <a href="Control-Monad-RWS-Class.html#t:MonadRWS">MonadRWS</a> r w s (<a href="Control-Monad-RWS-Lazy.html#t:RWST">RWST</a> r w s m)</td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src">module <a href="Control-Monad-Reader-Class.html">Control.Monad.Reader.Class</a></p></div><div class="top"><p class="src">module <a href="Control-Monad-State-Class.html">Control.Monad.State.Class</a></p></div><div class="top"><p class="src">module <a href="Control-Monad-Writer-Class.html">Control.Monad.Writer.Class</a></p></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.9.2</p></div></body></html>
