gonito/templates/default-layout.hamlet

   <nav class="navbar navbar-default navbar-fixed-top">
    <div class="container">
          <div class="navbar-header">
            <a class="navbar-brand" href="@{HomeR}">Gonito.net
        $maybe user <- maybeUser
          <ul class="nav navbar-nav">

                <li><a href="@{HomeR}">_{MsgHome}</a>
                $if userIsAdmin $ entityVal user
                    <li><a href="@{CreateChallengeR}">_{MsgCreateChallenge}</a>
                <li><a href="@{ListChallengesR}">_{MsgListChallenges}</a>

          <ul class="nav navbar-nav navbar-right">
            <li class="dropdown">
                <a href="@{AuthR LoginR}" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">#{userIdent $ entityVal user}<span class="caret"></span>
                <ul class="dropdown-menu">
                    <li><a href="@{YourAccountR}">_{MsgYourAccount}</a></li>
                    <li><a href="@{AuthR LogoutR}">_{MsgLogOut}</a></li>
        $nothing
            <ul class="nav navbar-nav">
                <li><a href="@{HomeR}">_{MsgHome}</a>
                <li><a href="@{ListChallengesR}">_{MsgListChallenges}</a>

            <ul class="nav navbar-nav navbar-right">
                <li><a href="@{AuthR LoginR}">log in</a>

$maybe msg <- mmsg
    <div #message .alert .alert-warning><a href="#" class="close" data-dismiss="alert">&times;</a> #{msg}

^{widget}