Fix an uncompilable example of derive macro

pdietl · May 29, 2019 · b111c47 · b111c47
1 parent 862b669
commit b111c47
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/procedural-macros.md b/src/procedural-macros.md
@@ -173,7 +173,7 @@ For example, the following derive macro defines a helper attribute
 
 #[proc_macro_derive(HelperAttr, attributes(helper))]
 pub fn derive_helper_attr(_item: TokenStream) -> TokenStream {
-    TokenStream::new();
+    TokenStream::new()
 }
 ```