src/bisection_tree/supportid.rs@20db884b7028 (annotated)
src/bisection_tree/supportid.rs
Mon, 24 Oct 2022 09:41:43 +0300
- author
- Tuomo Valkonen <tuomov@iki.fi>
- date
- Mon, 24 Oct 2022 09:41:43 +0300
- changeset 3
- 20db884b7028
- parent 0
- 9f27689eb130
- child 5
- 59dc4c5883f4
- permissions
- -rw-r--r--
Allow step closure of AlgIterators to indicate succesfull termination or failure.
| 0 | 1 | use std::marker::PhantomData; |
| 2 | ||
| 3 | #[derive(Debug)] | |
| 4 | pub struct SupportId<S> { | |
| 5 | pub id : usize, | |
| 6 | _phantom : PhantomData<S> | |
| 7 | } | |
| 8 | ||
| 9 | // derive fails so need to do Copy and Clone manually | |
| 10 | ||
| 11 | impl<S> Clone for SupportId<S> { | |
| 12 | fn clone(&self) -> Self { | |
| 13 | SupportId { id : self.id, _phantom : PhantomData } | |
| 14 | } | |
| 15 | } | |
| 16 | ||
| 17 | impl<S> Copy for SupportId<S> {} | |
| 18 | ||
| 19 | impl<S> From<u32> for SupportId<S> { | |
| 20 | #[inline] | |
| 21 | fn from(id : u32) -> SupportId<S> { | |
| 22 | SupportId { id : id as usize, _phantom : PhantomData } | |
| 23 | } | |
| 24 | } | |
| 25 | ||
| 26 | impl<S> From<usize> for SupportId<S> { | |
| 27 | #[inline] | |
| 28 | fn from(id : usize) -> SupportId<S> { | |
| 29 | SupportId { id : id, _phantom : PhantomData } | |
| 30 | } | |
| 31 | } | |
| 32 | ||
| 33 | impl<S> Into<usize> for SupportId<S> { | |
| 34 | #[inline] | |
| 35 | fn into(self) -> usize { | |
| 36 | self.id | |
| 37 | } | |
| 38 | } | |
| 39 |
