error: expected identifier, found keyword `true` --> $DIR/issue-44406.rs:8:10 | LL | foo!(true); //~ ERROR expected type, found keyword | ^^^^ expected identifier, found keyword error: expected type, found keyword `true` --> $DIR/issue-44406.rs:8:10 | LL | bar(baz: $rest) | - help: try using a semicolon: `;` ... LL | foo!(true); //~ ERROR expected type, found keyword | ^^^^ expecting a type here because of type ascription error: aborting due to 2 previous errors