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/*
==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--

KiB

Copyright (C) 2016-2017, 2019-2020, 2022  Anonymous

There are several releases over multiple years,
they are listed as ranges, such as: "2016-2017".

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--
*/

//! # Unit

use core::fmt::{self, Display, Formatter};

/// # Unit
#[derive(Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub enum Unit {

    /// # One byte
    OneByte,

    /// # Bytes
    Bytes,

    /// # KiB
    KiB,

    /// # MiB
    MiB,

    /// # GiB
    GiB,

    /// # TiB
    TiB,

    /// # PiB
    PiB,

    /// # EiB
    EiB,

    /// # ZiB
    ZiB,

    /// # YiB
    YiB,

}

impl Unit {

    /// # String representation of this unit
    pub const fn as_str(&self) -> &str {
        match self {
            Self::OneByte => "Byte",
            Self::Bytes => "Bytes",
            Self::KiB => "KiB",
            Self::MiB => "MiB",
            Self::GiB => "GiB",
            Self::TiB => "TiB",
            Self::PiB => "PiB",
            Self::EiB => "EiB",
            Self::ZiB => "ZiB",
            Self::YiB => "YiB",
        }
    }

}

impl Display for Unit {

    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
        f.write_str(self.as_str())
    }

}