error: expected parameter name, found `,` --> $DIR/issue-110892.rs:25:9 | LL | , | ^ expected parameter name error: expected parameter name, found `,` --> $DIR/issue-110892.rs:26:9 | LL | , | ^ expected parameter name error: expected parameter name, found `,` --> $DIR/issue-110892.rs:27:9 | LL | , | ^ expected parameter name error: expected parameter name, found `,` --> $DIR/issue-110892.rs:28:9 | LL | , | ^ expected parameter name error[E0308]: mismatched types --> $DIR/issue-110892.rs:29:10 | LL | const fn from_options( | ------------ implicitly returns `()` as its body has no tail or `return` expression ... LL | ) -> Assume {} | ^^^^^^ expected `Assume`, found `()` error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0308`.