#arceos #object

no-std flatten_objects

A container that stores numbered objects. Each object can be assigned with a unique ID.

5 releases

Uses new Rust 2024

0.2.3 Mar 7, 2025
0.2.2 Mar 5, 2025
0.2.1 Dec 17, 2024
0.2.0 Dec 5, 2024
0.1.0 Jul 11, 2024

#301 in Data structures

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4,480 downloads per month

GPL-3.0-or-later OR Apache-2…

14KB
99 lines

flatten_objects

Crates.io Docs.rs CI

FlattenObjects is a container that stores numbered objects.

Objects can be added to the FlattenObjects, a unique ID will be assigned to the object. The ID can be used to retrieve the object later.

Example

use flatten_objects::FlattenObjects;

let mut objects = FlattenObjects::<u32, 20>::new();

// Add `23` 10 times and assign them IDs from 0 to 9.
for i in 0..=9 {
    objects.add_at(i, 23).unwrap();
    assert!(objects.is_assigned(i));
}

// Remove the object with ID 6.
assert_eq!(objects.remove(6), Some(23));
assert!(!objects.is_assigned(6));

// Add `42` (the ID 6 is available now).
let id = objects.add(42).unwrap();
assert_eq!(id, 6);
assert!(objects.is_assigned(id));
assert_eq!(objects.get(id), Some(&42));
assert_eq!(objects.remove(id), Some(42));
assert!(!objects.is_assigned(id));

Dependencies

~72KB