Error when else is used without @ (#462)

Author: lambda-fairy

maud/tests/warnings/keyword-without-at.rs

@@ -3,5 +3,9 @@ use maud::html;
 fn main() {
     html! {
         if {}
+        else {}
+        for {}
+        while {}
+        match {}
     };
 }

maud/tests/warnings/keyword-without-at.stderr

@@ -1,7 +1,39 @@
 error: found keyword `if`
- --> $DIR/keyword-without-at.rs:5:9
+ --> tests/warnings/keyword-without-at.rs:5:9
   |
 5 |         if {}
   |         ^^
   |
-  = help: should this be a `@if`?
+  = help: should this be `@if`?
+
+error: found keyword `else`
+ --> tests/warnings/keyword-without-at.rs:6:9
+  |
+6 |         else {}
+  |         ^^^^
+  |
+  = help: should this be `@else`?
+
+error: found keyword `for`
+ --> tests/warnings/keyword-without-at.rs:7:9
+  |
+7 |         for {}
+  |         ^^^
+  |
+  = help: should this be `@for`?
+
+error: found keyword `while`
+ --> tests/warnings/keyword-without-at.rs:8:9
+  |
+8 |         while {}
+  |         ^^^^^
+  |
+  = help: should this be `@while`?
+
+error: found keyword `match`
+ --> tests/warnings/keyword-without-at.rs:9:9
+  |
+9 |         match {}
+  |         ^^^^^
+  |
+  = help: should this be `@match`?

maud_macros/src/ast.rs

@@ -60,6 +60,7 @@ impl<E: MaybeElement> Markup<E> {
     ) -> syn::Result<Self> {
         if input.peek(Let)
             || input.peek(If)
+            || input.peek(Else)
             || input.peek(For)
             || input.peek(While)
             || input.peek(Match)
@@ -68,7 +69,7 @@ impl<E: MaybeElement> Markup<E> {
             diagnostics.push(
                 kw.span()
                     .error(format!("found keyword `{kw}`"))
-                    .help(format!("should this be a `@{kw}`?")),
+                    .help(format!("should this be `@{kw}`?")),
             );
         }