Method find_ancestor_at_depth

crates/csskit/src/commands/tree.rs:85–87

Find the index of the ancestor at the given depth, searching backwards from `start_idx`.

(&self, start_idx: usize, target_depth: usize)

	/// Find the index of the ancestor at the given depth, searching backwards from `start_idx`.
	fn find_ancestor_at_depth(&self, start_idx: usize, target_depth: usize) -> Option<usize> {
		(0..start_idx).rev().find(|&j| self.nodes[j].depth == target_depth)
	}

	/// Check if `node_idx` is the last direct child of its parent.
	fn is_last_child(&self, node_idx: usize) -> bool {