inc_dec 0.2.0

Incrementation and decrementation in Rust.
Documentation 
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use crate::{IncDecExt, mm_, mmf_, pp_, ppf_};

//use super::*;

#[test]
fn test_pp_()
{

    let mut int_val = 1;

    pp_!(int_val);

    assert_eq!(2, int_val);

}

#[test]
fn test_ppf_()
{

    let mut f32_val: f32 = 1.0;

    ppf_!(f32_val);

    assert_eq!(2.0, f32_val);

    let mut f64_val = 1.0;

    ppf_!(f64_val);

    assert_eq!(2.0, f64_val);

}

#[test]
fn test_mm_()
{

    let mut int_val = 2;

    mm_!(int_val);

    assert_eq!(1, int_val);

}

#[test]
fn test_mmf_()
{

    let mut f32_val: f32 = 2.0;

    mmf_!(f32_val);

    assert_eq!(1.0, f32_val);

    let mut f64_val = 2.0;

    mmf_!(f64_val);

    assert_eq!(1.0, f64_val);

}

#[test]
fn pp_and_mm_methods()
{

    let mut u32_val: u32 = 0;

    assert_eq!(1, u32_val.pp());

    assert_eq!(0, u32_val.mm());

}

#[test]
fn try_pp_and_try_mm_methods()
{

    let mut u32_val: u32 = 0;

    assert_eq!(Some(1), u32_val.try_pp());

    assert_eq!(Some(0), u32_val.try_mm());

    assert_eq!(None, u32_val.try_mm());

}