//! # number-utils
//! A calculation crate.
//!
//! # Examples
//! ```
//! use number_utils::NumberUtils;
//!
//! # fn main() {
//! let n: u32 = 6;
//!
//! assert_eq!(n.factorial(), 720);
//! assert_eq!(n.permutation(3), 120);
//! assert_eq!(n.combination(3), 20);
//!
//! assert_eq!(10_u32.factorial().digits(), 7);
//! # }
//! ```
pub use crate::;