Function flat_tree::parent

pub fn parent(i: usize) -> usize

Returns the parent of a node with a depth.

Examples

assert_eq!(flat_tree::parent(0), 1);
assert_eq!(flat_tree::parent(1), 3);
assert_eq!(flat_tree::parent(2), 1);
assert_eq!(flat_tree::parent(3), 7);
assert_eq!(flat_tree::parent(4), 5);