grafix_toolbox/kit/policies/func/
range.rs

1use crate::lib::*;
2
3pub trait uRange {
4	fn get_range(&self) -> ulVec2;
5}
6
7macro_rules! impl_range {
8	($($t: ty),+) => {
9		$(impl uRange for $t {
10			#[inline(always)]
11			fn get_range(&self) -> ulVec2 {
12				range(self)
13			}
14		})+
15	}
16}
17macro_rules! impl_range_type {
18	($($t: ty),+) => {
19		$(impl_range!(ops::Range<$t>, ops::RangeFrom<$t>, ops::RangeInclusive<$t>, ops::RangeTo<$t>, ops::RangeToInclusive<$t>);)+
20	}
21}
22impl_range_type!(u8, i8, u16, i16, u32, i32, u64, i64, u128, i128, usize, isize);
23
24macro_rules! impl_single {
25	($($t: ty),+) => {
26		$(impl uRange for $t {
27			#[inline(always)]
28			fn get_range(&self) -> ulVec2 {
29				range(&(*self..*self + 1))
30			}
31		})+
32	}
33}
34impl_single!(u8, i8, u16, i16, u32, i32, u64, i64, u128, i128, usize, isize);
35
36impl uRange for ops::RangeFull {
37	#[inline(always)]
38	fn get_range(&self) -> ulVec2 {
39		range::<usize>(self)
40	}
41}
42
43fn range<T: Copy>(r: &impl ops::RangeBounds<T>) -> ulVec2
44where
45	usize: Cast<T>,
46{
47	use ops::Bound::{Excluded as E, Included as I, Unbounded as U};
48	(
49		match r.start_bound() {
50			U => usize::MIN,
51			I(&i) => usize(i),
52			E(&i) => usize(i) + 1,
53		},
54		match r.end_bound() {
55			U => usize::MAX,
56			I(&i) => usize(i) + 1,
57			E(&i) => usize(i),
58		},
59	)
60}
grafix_toolbox/kit/policies/func/range.rs

grafix_toolbox/kit/policies/func/
range.rs
