leetcode-rust 0.1.2

Some solutions about leetcode in rust lang
Documentation 
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#![allow(dead_code)]

use std::cell::RefCell;
use std::rc::Rc;

#[derive(Debug, PartialEq, Eq)]
pub struct TreeNode {
    pub val: i32,
    pub left: Option<Rc<RefCell<TreeNode>>>,
    pub right: Option<Rc<RefCell<TreeNode>>>,
}

impl TreeNode {
    #[inline]
    pub fn new(val: i32) -> Self {
        TreeNode {
            val,
            left: None,
            right: None,
        }
    }
}