error: cannot return a borrowed ref with #[wasm_bindgen]
 --> $DIR/bad-signatures.rs:4:17
  |
4 | pub fn foo() -> &u32 {}
  |                 ^^^^

error: unsupported pattern in #[wasm_bindgen] imported function
 --> $DIR/bad-signatures.rs:8:12
  |
8 |     fn foo(Foo(x): Foo);
  |            ^^^^^^

error: cannot return references in #[wasm_bindgen] imports yet
  --> $DIR/bad-signatures.rs:10:17
   |
10 |     fn foo() -> &u32;
   |                 ^^^^