getNodes type checked incorrect

[zrwusa]

Describe the bug binaryTree.getNodes((node: BinaryTreeNode) => node.val); The statement type checked need to be an error.

To Reproduce Steps to reproduce the behavior: binaryTree.add(5, 'A'); binaryTree.add(3, 'B'); binaryTree.add(7, 'C');

const nodes = binaryTree.getNodes((node: BinaryTreeNode<string>) => node.val);

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.

[zrwusa]

In version 1.39.3, we have fixed this.