# leetcode_prelude
Some useful macros and definition for exercising in leetcode
## How to use
Add follwing lines to your Cargo.toml
```toml
[dependencies]
leetcode_prelude = "^0.1"
```
## Examples
### Binary tree initialization
```rust
use leetcode_prelude::btree;
let btree = btree![1, 2, 2, null, null, 3, 3];
```
### Linked list initialization
```rust
use leetcode_prelude::linkedlist;
let linkedlist = linkedlist![1, 2, 3];
```
### Generate test code from leetcode's json
```rust
use leetcode_prelude::leetcode_test;
leetcode_test!(
["Trie", "insert", "search"]
[[], ["apple"], ["apple"]]
[null, null, true]
)
```
### Create a `Vec<String>`
```rust
use leetcode_prelude::vec_string;
let vec = vec_string!["1", "2", "3"];
```