Returns the entry of a given binary tree.
BinaryTree to be accessed
Value
const tree = make_tree(1, make_empty_tree(), make_empty_tree());display(entry(tree)); // Shows "1" in the REPL Copy
const tree = make_tree(1, make_empty_tree(), make_empty_tree());display(entry(tree)); // Shows "1" in the REPL
Returns the entry of a given binary tree.