# Lubricant > Powerful rust toolset ## Quick Start ```bash # (optional) cargo new cargo install lubricant ``` ```rust // src/main.rs use lubricant fn main(){ let new_vec = lubricant::array::map(vec![1,2,3], |item|{item*2}); assert_eq!(new_vec[0], 2); assert_eq!(new_vec[1], 4); assert_eq!(new_vec[2], 6); } ``` ## Contribution Welcome PR, but before submit pull request, Please read [Contributing Guidelines](https://github.com/GaoNeng-wWw/lubricant/blob/main/CONTRIBUTING.md) ## LICENSE MIT