error: lifetime parameters must be declared prior to type and const parameters --> $DIR/issue-59508.rs:10:25 | LL | pub fn do_things<T, 'a, 'b: 'a>() { | ----^^--^^----- help: reorder the parameters: lifetimes, then consts and types: `<'a, 'b: 'a, T>` error: aborting due to previous error