warning: struct `Datum` has a public `len` method, but no `is_empty` method --> crates/db-wiredtiger/src/bindings/cursor.rs:67:5 | 67 | pub fn len(&self) -> usize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty = note: `#[warn(clippy::len_without_is_empty)]` on by default