mirror of https://github.com/MingweiSamuel/Riven
66 lines
2.0 KiB
Rust
66 lines
2.0 KiB
Rust
use std::cmp::Ordering;
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use num_enum::{ IntoPrimitive, TryFromPrimitive };
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use serde::{ Serialize, Deserialize };
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use strum::IntoEnumIterator;
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use strum_macros::{ EnumString, Display, AsRefStr, IntoStaticStr };
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/// LoL and TFT rank divisions, I, II, III, IV, and (deprecated) V.
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///
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/// Ordered such that "higher" divisions are greater than "lower" ones: `Division::I > Division::IV`.
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///
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/// Repr'd as equivalent numeric values, (1, 2, 3, 4, 5).
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///
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/// Implements [IntoEnumIterator](super::IntoEnumIterator). Iterator excludes deprecated `Division::V`.
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#[derive(Debug, Copy, Clone)]
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#[derive(Eq, PartialEq, Hash)]
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#[derive(EnumString, Display, AsRefStr, IntoStaticStr)]
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#[derive(IntoPrimitive, TryFromPrimitive)]
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#[derive(Serialize, Deserialize)]
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#[repr(u8)]
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pub enum Division {
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/// Division 1, the best/highest division in a [`Tier`](crate::consts::Tier), or the only division in
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/// [apex tiers](crate::consts::Tier::is_apex).
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I = 1,
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/// Division 2, the second highest division.
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II = 2,
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/// Division 3, the third highest division.
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III = 3,
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/// Division 4, the fourth and lowest division since 2019.
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IV = 4,
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/// Division 5, the lowest division, only used before 2019.
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#[deprecated(note="Removed for 2019.")]
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V = 5,
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}
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/// Returns a DoubleEndedIterator of I, II, III, IV.
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/// Ordered from high rank (I) to low (IV).
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/// Excludes V, which is deprecated.
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impl IntoEnumIterator for Division {
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type Iterator = std::iter::Copied<std::slice::Iter<'static, Self>>;
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fn iter() -> Self::Iterator {
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[ Self::I, Self::II, Self::III, Self::IV ].iter().copied()
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}
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}
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impl Ord for Division {
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fn cmp(&self, other: &Self) -> Ordering {
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u8::from(*self).cmp(&u8::from(*other)).reverse()
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}
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}
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impl PartialOrd for Division {
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fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
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Some(self.cmp(other))
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn sort() {
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assert!(Division::IV < Division::I);
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}
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} |