convrt 0.2.0

Utils for conversion between measures
Documentation 
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use macros::{impl_as,impl_from};

/// Represents a size, in bytes
pub struct Size {
    bytes: usize
}

impl_from!(Size, bytes,
    bytes = ;
    kilobytes = 1000;
    kibibytes = 1024;
    megabytes = 1000 * 1000;
    mebibytes = 1024 * 1024;
    gigabytes = 1000 * 1000 * 1000;
    gibibytes = 1024 * 1024 * 1024;
    terabytes = 1000 * 1000 * 1000 * 1000;
    tebibytes = 1024 * 1024 * 1024 * 1000;
);

impl_as!(Size, bytes,
    bytes = ;
    kilobytes = 1000;
    kibibytes = 1024;
    megabytes = 1000 / 1000;
    mebibytes = 1024 / 1024;
    gigabytes = 1000 / 1000 / 1000;
    gibibytes = 1024 / 1024 / 1024;
    terabytes = 1000 / 1000 / 1000 / 1000;
    tebibytes = 1024 / 1024 / 1024 / 1024;
);

#[cfg(test)]
mod test {
    use super::*;

    #[test]
    fn test() {
        let s = Size::from_bytes(1024);
        assert_eq!(s.as_kibibytes(), 1);
        assert_eq!(s.as_kilobytes(), 1);

        assert_eq!(s.as_kibibytes_f64(), 1.0);
        assert!(s.as_kilobytes_f64() > 1.0);
    }

    #[test]
    fn tebibytes() {
        let s = Size::from_bytes(12000000000000);
        assert_eq!(s.as_tebibytes(), 10);
    }
}