<html><head> <link rel="stylesheet" href="style.css" type="text/css"> <meta content="text/html; charset=iso-8859-1" http-equiv="Content-Type"> <link rel="Start" href="index.html"> <link title="Index of types" rel=Appendix href="index_types.html"> <link title="Index of values" rel=Appendix href="index_values.html"> <link title="Index of modules" rel=Appendix href="index_modules.html"> <link title="Index of module types" rel=Appendix href="index_module_types.html"> <link title="Nopres_impl" rel="Chapter" href="Nopres_impl.html"> <link title="Nopres_intf" rel="Chapter" href="Nopres_intf.html"> <link title="Pres_impl" rel="Chapter" href="Pres_impl.html"> <link title="Pres_intf" rel="Chapter" href="Pres_intf.html"> <link title="Res" rel="Chapter" href="Res.html"> <link title="Strat" rel="Chapter" href="Strat.html"> <link title="Weak_impl" rel="Chapter" href="Weak_impl.html"> <link title="Weak_intf" rel="Chapter" href="Weak_intf.html"><title>Weak_intf</title> </head> <body> <code class="code"><span class="keyword">sig</span> <span class="keyword">end</span></code></body></html>