orx_selfref_col/
variant.rs

1use crate::Refs;
2
3/// Variant defining `SelfRefCol` specifications.
4pub trait Variant: Sized {
5    /// Elements of the collection.
6    type Item;
7
8    /// The way the previous node references will be stored.
9    /// * `RefsNone` if there is no reference.
10    /// * `RefsSingle` if there is zero or one reference.
11    /// * `RefsArray` if there is a constant number of references.
12    /// * `RefsVec` if there is a dynamic number of references.
13    type Prev: Refs;
14
15    /// The way the next node references will be stored.
16    /// * `RefsNone` if there is no reference.
17    /// * `RefsSingle` if there is zero or one reference.
18    /// * `RefsArray` if there is a constant number of references.
19    /// * `RefsVec` if there is a dynamic number of references.
20    type Next: Refs;
21
22    /// The way the ends of the collection will be stored,
23    /// such as the front of a linked list or root of a tree.
24    /// * `RefsNone` if there is no reference.
25    /// * `RefsSingle` if there is zero or one reference.
26    /// * `RefsArray` if there is a constant number of references.
27    /// * `RefsVec` if there is a dynamic number of references.
28    type Ends: Refs;
29}
orx_selfref_col/variant.rs

orx_selfref_col/
variant.rs
