my_crate_1063 0.1.0

zj learn111
Documentation 
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//! # My Crate
//!
//! `my_crate` is a collection of utilities to make performing certain
//! calculations more convenient.
//!

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        let result = 2 + 2;
        assert_eq!(result, 4);
    }
}


///将给定的数字加一
///
/// # Examples
///```
///let arg = 5;
///let answer = my_crate::add_one(arg);
///
///assert_eq!(6, answer)
///```
///
pub fn add_one(x: i32) -> i32 {
    x + 1
}