error[E0308]: mismatched types --> $DIR/issue-83892.rs:9:15 | LL | fn main() { | - expected `()` because of default return type LL | match () { LL | () => func() | ^^^^^^ expected `()`, found `u8` LL | } | - help: consider using a semicolon here: `;` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0308`.