<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 exceptions" rel=Appendix href="index_exceptions.html"> <link title="Index of values" rel=Appendix href="index_values.html"> <link title="Index of class methods" rel=Appendix href="index_methods.html"> <link title="Index of class types" rel=Appendix href="index_class_types.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="CSS" rel="Chapter" href="CSS.html"> <link title="Dom" rel="Chapter" href="Dom.html"> <link title="Dom_events" rel="Chapter" href="Dom_events.html"> <link title="Dom_html" rel="Chapter" href="Dom_html.html"> <link title="Event_arrows" rel="Chapter" href="Event_arrows.html"> <link title="File" rel="Chapter" href="File.html"> <link title="Firebug" rel="Chapter" href="Firebug.html"> <link title="Form" rel="Chapter" href="Form.html"> <link title="Js" rel="Chapter" href="Js.html"> <link title="Json" rel="Chapter" href="Json.html"> <link title="Lwt_js" rel="Chapter" href="Lwt_js.html"> <link title="Regexp" rel="Chapter" href="Regexp.html"> <link title="Url" rel="Chapter" href="Url.html"> <link title="XmlHttpRequest" rel="Chapter" href="XmlHttpRequest.html"><title>Js.OPT</title> </head> <body> <code class="code"><span class="keyword">sig</span><br> <span class="keyword">type</span> <span class="keywordsign">'</span>a t<br> <span class="keyword">val</span> empty : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t<br> <span class="keyword">val</span> return : <span class="keywordsign">'</span>a <span class="keywordsign">-></span> <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t<br> <span class="keyword">val</span> map : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t <span class="keywordsign">-></span> (<span class="keywordsign">'</span>a <span class="keywordsign">-></span> <span class="keywordsign">'</span>b) <span class="keywordsign">-></span> <span class="keywordsign">'</span>b <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t<br> <span class="keyword">val</span> bind : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t <span class="keywordsign">-></span> (<span class="keywordsign">'</span>a <span class="keywordsign">-></span> <span class="keywordsign">'</span>b <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t) <span class="keywordsign">-></span> <span class="keywordsign">'</span>b <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t<br> <span class="keyword">val</span> test : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t <span class="keywordsign">-></span> bool<br> <span class="keyword">val</span> iter : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t <span class="keywordsign">-></span> (<span class="keywordsign">'</span>a <span class="keywordsign">-></span> unit) <span class="keywordsign">-></span> unit<br> <span class="keyword">val</span> case : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t <span class="keywordsign">-></span> (unit <span class="keywordsign">-></span> <span class="keywordsign">'</span>b) <span class="keywordsign">-></span> (<span class="keywordsign">'</span>a <span class="keywordsign">-></span> <span class="keywordsign">'</span>b) <span class="keywordsign">-></span> <span class="keywordsign">'</span>b<br> <span class="keyword">val</span> get : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t <span class="keywordsign">-></span> (unit <span class="keywordsign">-></span> <span class="keywordsign">'</span>a) <span class="keywordsign">-></span> <span class="keywordsign">'</span>a<br> <span class="keyword">val</span> option : <span class="keywordsign">'</span>a option <span class="keywordsign">-></span> <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t<br> <span class="keyword">val</span> to_option : <span class="keywordsign">'</span>a <span class="constructor">Js</span>.<span class="constructor">OPT</span>.t <span class="keywordsign">-></span> <span class="keywordsign">'</span>a option<br> <span class="keyword">end</span></code></body></html>