[−][src]Function flat_tree::left_span
pub fn left_span(i: usize) -> usize
Returns the left most node in the tree that it spans.
Examples
assert_eq!(flat_tree::left_span(0), 0); assert_eq!(flat_tree::left_span(1), 0); assert_eq!(flat_tree::left_span(3), 0); assert_eq!(flat_tree::left_span(23), 16); assert_eq!(flat_tree::left_span(27), 24);