error: missing parameters for function definition
  --> $DIR/issue-108109-fn-missing-params.rs:3:15
   |
LL | pub fn missing -> () {}
   |               ^ help: add a parameter list

error: missing parameters for function definition
  --> $DIR/issue-108109-fn-missing-params.rs:6:16
   |
LL | pub fn missing2 {}
   |                ^ help: add a parameter list

error: aborting due to 2 previous errors