error[E0308]: mismatched types --> $DIR/issue-11714.rs:1:14 | LL | fn blah() -> i32 { | ---- ^^^ expected `i32`, found `()` | | | implicitly returns `()` as its body has no tail or `return` expression ... LL | ; | - help: remove this semicolon to return this value error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0308`.