templates/navbar.qtpl


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{% code
type Selection int
const (
    Git Selection = iota
    List
    About
    Config
)
%}

{% func insertIfEqual(s, d Selection) %}{% if s == d %} selected{% endif %}{% endfunc %}


{% func Navbar (s Selection) %}
        <nav class="container navbar navbar-expand-sm">
          <div class="navbar-nav">
            <a class="nav-link{%= insertIfEqual(s, Git) %}" href="/git">git</a>
            <a class="nav-link{%= insertIfEqual(s, List) %}" href="/list">list</a>
            <a class="nav-link{%= insertIfEqual(s, About) %}" href="/about">about</a>
            <a class="nav-link{%= insertIfEqual(s, Config) %}" href="/config">config</a>
          </div>
        </nav>
{% endfunc %}