Sequence buffer
Sequence buffer data structure implementation
Properties:
- Constant time insertion for a given number (inserts may be random)
- Constant time query for a given number
- Constant time access for the data stored for a given number
- Constant time removal of entries
Examples
```rust
let mut buf = SequenceBuffer::new(1);
buf.insert(DataStub, 543535);
assert!(buf.exists(543535));
buf.insert(DataStub, 2535436);
buf.remove(2535436);
assert!(!buf.exists(2535436));
```
Use cases
- Ack system in netwrok protocol