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# `arraydeque`
[](https://travis-ci.org/andylokandy/arraydeque)
[](https://crates.io/crates/arraydeque)
[](https://docs.rs/arraydeque)
A circular buffer with fixed capacity. Requires Rust
1.
59+.
This crate is inspired by [**bluss/arrayvec**](
https://github.com/bluss/arrayvec)
### [**Documentation**](
https://docs.rs/arraydeque)
## Usage
First, add the following to your `Cargo.toml`:
```toml
[dependencies]
arraydeque = "
0.
5"
```
Next, add this to your crate root:
```rust
extern crate arraydeque;
```
Currently arraydeque by default links to the standard library, but if you would
instead like to use arraydeque in a `#![no_std]` situation or crate you can
request this via:
```toml
[dependencies]
arraydeque = { version = "
0.
4", default-features = false }
```
## Example
```rust
extern crate arraydeque;
use arraydeque::ArrayDeque;
fn main() {
let mut deque: ArrayDeque<_,
2> = ArrayDeque::new();
assert_eq!(deque.capacity(),
2);
assert_eq!(deque.len(),
0);
deque.push_back(
1);
deque.push_back(
2);
assert_eq!(deque.len(),
2);
assert_eq!(deque.pop_front(), Some(
1));
assert_eq!(deque.pop_front(), Some(
2));
assert_eq!(deque.pop_front(), None);
}
```
## Changelog
-
0.
5.
1 Make `ArrayDeque::new()` a const fn.
-
0.
5.
0 Support consnt generic capacity. Remove `use_generic_array` feature.
-
0.
4.
5 Update `generic-array` to `
0.
12`.
-
0.
4.
4 Fix UB: `Some(ArrayDeque::new(xs)).is_some() == false`. ([#
12](
https://github.com/andylokandy/arraydeque/issues/12))
-
0.
4.
3 Add support for `generic-array` under `use_generic_array` feature.
-
0.
4.
1 Capacity now equal to backend_array.len().
-
0.
3.
1 Add behaviors: `Saturating` and `Wrapping`.
## Contribution
All kinds of contribution are welcomed.
- **Issues.** Feel free to open an issue when you find typos, bugs, or have any question.
- **Pull requests**. New collection, better implementation, more tests, more documents and t
ypo fixes are all welcomed.
## License
Licensed under MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)