Function build_tree

platforms/ios/src/node.rs:512–520

(nodes: Vec<(NodeId, NodeBuilder)>)

    const ROOT_ID: NodeId = NodeId(0);

    fn build_tree(nodes: Vec<(NodeId, NodeBuilder)>) -> accesskit_consumer::Tree {
        let update = TreeUpdate {
            nodes,
            tree: Some(Tree::new(ROOT_ID)),
            tree_id: TreeId::ROOT,
            focus: ROOT_ID,
        };
        accesskit_consumer::Tree::new(update, false)
    }

    fn with_single<F, R>(node: &NodeBuilder, f: F) -> R
    where