[fine] No methods assigned to variables!

fine/src/semantics.rs

@@ -708,7 +708,17 @@ impl<'a> Semantics<'a> {
             None => Type::Error,
         };
 
-        // TODO: Variables cannot be of type <method>?
+        let declaration_type = match declaration_type {
+            Type::Method(..) => {
+                let start = name.start;
+                let end = name.start + name.as_str().len();
+                self.report_error_span(start, end, "methods cannot be assigned to variables");
+                Type::Error
+            }
+            _ => declaration_type,
+        };
+
+        eprintln!("{} => {}", name, declaration_type);
 
         let location = match parent.location {
             Location::Local => Location::Local,

fine/tests/expression/errors/no_method_variables.fine

@@ -0,0 +1,11 @@
+class Foo {
+  fun bar(self) {}
+}
+
+fun test() {
+  let obj = new Foo {};
+  let f = obj.bar;
+}
+
+// @expect-errors:
+// | 7:6: methods cannot be assigned to variables