Function offset

pub fn offset(i: u64) -> u64

Returns the offset of a node.

Examples

assert_eq!(flat_tree::offset(0), 0);
assert_eq!(flat_tree::offset(1), 0);
assert_eq!(flat_tree::offset(2), 1);
assert_eq!(flat_tree::offset(3), 0);
assert_eq!(flat_tree::offset(4), 2);