first_lib_yulian 0.1.0

//! # Lib Cargo
//!
//! `lib_cargo` is a collection of utilities to make performing certain
//! calculations more convenient.

/// Adds one to the number given.
///
/// # Examples
///
/// ```rust
/// let arg = 5;
/// let answer = lib_cargo::add_one(arg);
///
// this run a test
/// assert_eq!(6, answer);
/// ```
pub fn add_one(x: i32) -> i32 {
    x + 1
}

mod kinds {
    /// The primary colors according to the RYB color model.
    pub enum PrimaryColor {
        Red,
        Yellow,
        Blue,
    }

    /// The secondary colors according to the RYB color model.
    pub enum SecondaryColor {
        Orange,
        Green,
        Purple,
    }
}

pub use kinds::*;
pub use utils::mix;

mod utils {
    use crate::kinds::*;

    /// Combines two primary colors in equal amounts to create
    /// a secondary color.
    pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
        SecondaryColor::Orange
    }
}