brk_types/
semesterindex.rs

1use std::{
2    fmt::Debug,
3    ops::{Add, AddAssign, Div},
4};
5
6use schemars::JsonSchema;
7use serde::{Deserialize, Serialize};
8use vecdb::{CheckedSub, Formattable, Pco, PrintableIndex};
9
10use super::MonthIndex;
11
12#[derive(
13    Debug,
14    Clone,
15    Copy,
16    PartialEq,
17    Eq,
18    PartialOrd,
19    Ord,
20    Default,
21    Serialize,
22    Deserialize,
23    Pco,
24    JsonSchema,
25)]
26pub struct SemesterIndex(u16);
27
28impl From<u16> for SemesterIndex {
29    #[inline]
30    fn from(value: u16) -> Self {
31        Self(value)
32    }
33}
34
35impl From<usize> for SemesterIndex {
36    #[inline]
37    fn from(value: usize) -> Self {
38        Self(value as u16)
39    }
40}
41
42impl From<SemesterIndex> for u16 {
43    #[inline]
44    fn from(value: SemesterIndex) -> Self {
45        value.0
46    }
47}
48
49impl From<SemesterIndex> for usize {
50    #[inline]
51    fn from(value: SemesterIndex) -> Self {
52        value.0 as usize
53    }
54}
55
56impl Add<usize> for SemesterIndex {
57    type Output = Self;
58
59    fn add(self, rhs: usize) -> Self::Output {
60        Self::from(self.0 + rhs as u16)
61    }
62}
63
64impl Add<SemesterIndex> for SemesterIndex {
65    type Output = Self;
66
67    fn add(self, rhs: Self) -> Self::Output {
68        Self::from(self.0 + rhs.0)
69    }
70}
71
72impl AddAssign for SemesterIndex {
73    fn add_assign(&mut self, rhs: Self) {
74        *self = Self(self.0 + rhs.0)
75    }
76}
77
78impl Div<usize> for SemesterIndex {
79    type Output = Self;
80    fn div(self, _: usize) -> Self::Output {
81        unreachable!()
82    }
83}
84
85impl From<MonthIndex> for SemesterIndex {
86    #[inline]
87    fn from(value: MonthIndex) -> Self {
88        Self((usize::from(value) / 6) as u16)
89    }
90}
91
92impl CheckedSub for SemesterIndex {
93    fn checked_sub(self, rhs: Self) -> Option<Self> {
94        self.0.checked_sub(rhs.0).map(Self)
95    }
96}
97
98impl PrintableIndex for SemesterIndex {
99    fn to_string() -> &'static str {
100        "semesterindex"
101    }
102
103    fn to_possible_strings() -> &'static [&'static str] {
104        &["s", "semester", "semesterindex"]
105    }
106}
107
108impl std::fmt::Display for SemesterIndex {
109    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
110        let mut buf = itoa::Buffer::new();
111        let str = buf.format(self.0);
112        f.write_str(str)
113    }
114}
115
116impl Formattable for SemesterIndex {
117    #[inline(always)]
118    fn may_need_escaping() -> bool {
119        false
120    }
121}
brk_types/semesterindex.rs

brk_types/
semesterindex.rs
