193     pub fn try_leaf_insert(&mut self, index: usize, key: F::Key, value: F::Value) -> bool {  in try_leaf_insert()  method
677         assert!(leaf.try_leaf_insert(0, 'a', SetValue()));  in leaf()
679         assert!(leaf.try_leaf_insert(1, 'b', SetValue()));  in leaf()
680         assert!(leaf.try_leaf_insert(2, 'c', SetValue()));  in leaf()
683             assert!(leaf.try_leaf_insert(usize::from(i), ('a' as u8 + i) as char, SetValue()));  in leaf()
688         assert!(!leaf.try_leaf_insert(0, 'x', SetValue()));  in leaf()
689         assert!(!leaf.try_leaf_insert(8, 'x', SetValue()));  in leaf()
690         assert!(!leaf.try_leaf_insert(15, 'x', SetValue()));  in leaf()
701         assert!(leaf.try_leaf_insert(8, 'i', SetValue()));  in leaf()
781             assert!(lhs.try_leaf_insert(usize::from(i), ('a' as u8 + i) as char, SetValue()));  in leaf_balance()
787             assert!(rhs.try_leaf_insert(usize::from(i), ('0' as u8 + i) as char, SetValue()));  in leaf_balance()
795         assert!(lhs.try_leaf_insert(0, 'x', SetValue()));  in leaf_balance()
796         assert!(lhs.try_leaf_insert(1, 'y', SetValue()));  in leaf_balance()
797         assert!(lhs.try_leaf_insert(2, 'z', SetValue()));  in leaf_balance()