Add coalescing operator

examples/include/include.go

@@ -34,15 +34,13 @@ func main() {
 		}
 
 		name := r.URL.Query().Get("name")
-		if name == "" {
-			name = "World"
+		vars := map[string]any{"title": "Home"}
+		if name != "" {
+			vars["name"] = name
 		}
 
 		err = tmpl.
-			WithVarMap(map[string]any{
-				"title": "Home",
-				"name":  name,
-			}).
+			WithVarMap(vars).
 			Execute(w)
 		if err != nil {
 			log.Println(err)

examples/include/tmpls/home.html

@@ -7,7 +7,7 @@
         <section class="hero is-fullheight-with-navbar">
             <div class="hero-body">
                 <div class="container">
-                    <p class="title">Hello, #(name)!</p>
+                    <p class="title">Hello, #(name | "World")!</p>
                     <p class="subtitle">This is a demo of the Salix template engine.</p>
                     <a class="button is-link is-rounded" href="/about">About &rarr;</a>
                 </div>