Disambiguate expressions in rsx by requiring curlies

examples/simple_list.rs

@@ -8,17 +8,17 @@ fn app(cx: Scope) -> Element {
     cx.render(rsx!(
         div {
             // Use Map directly to lazily pull elements
-            (0..10).map(|f| rsx! { "{f}" }),
+            {(0..10).map(|f| rsx! { "{f}" })},
 
             // Collect into an intermediate collection if necessary, and call into_iter
-            ["a", "b", "c", "d", "e", "f"]
+            {["a", "b", "c", "d", "e", "f"]
                 .into_iter()
                 .map(|f| rsx! { "{f}" })
                 .collect::<Vec<_>>()
-                .into_iter(),
+                .into_iter()},
 
             // Use optionals
-            Some(rsx! { "Some" }),
+            {Some(rsx! { "Some" })},
 
             // use a for loop where the body itself is RSX
             for name in 0..10 {
@@ -27,7 +27,7 @@ fn app(cx: Scope) -> Element {
 
             // Or even use an unterminated conditional
             if true {
-                rsx!{ "hello world!" }
+                "hello world!"
             }
         }
     ))