panic

dtolnay · Nov 5, 2019 · 149ca1a · 149ca1a
1 parent 294c084
commit 149ca1a
Showing 1 changed file with 2 additions and 16 deletions.
diff --git a/demo/impl/src/lib.rs b/demo/impl/src/lib.rs
@@ -1,20 +1,6 @@
 use proc_macro2::TokenStream;
-use quote::quote;
-use syn::DeriveInput;
 
 #[no_mangle]
-pub extern "C" fn demo(input: TokenStream) -> TokenStream {
-    let input: DeriveInput = match syn::parse2(input) {
-        Ok(input) => input,
-        Err(err) => return err.to_compile_error(),
-    };
-
-    let ident = input.ident;
-    let message = format!("Hello from WASM! My name is {}.", ident);
-
-    quote! {
-        impl #ident {
-            pub const MESSAGE: &'static str = #message;
-        }
-    }
+pub extern "C" fn demo(_input: TokenStream) -> TokenStream {
+    panic!("oh no!");
 }