test_my_create_to_publish 0.1.0

this is a test to publish a crate, this is for my learning only.
Documentation
//! this is my_create index page,
//! This introduce some feature about the create
//! please read the doc.

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

#[cfg(test)]
mod tests {}

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

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

pub use self::kinds::{PrimaryColor, SecondaryColor};
pub use utils::mix;

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

    pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
        SecondaryColor::Orange
    }
}