extend 1.2.0

Create extensions for types you don't own with extension traits but without the boilerplate.
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# extend

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Create extensions for types you don't own with [extension traits] but without the boilerplate.

Example:

```rust
use extend::ext;

#[ext]
impl<T: Ord> Vec<T> {
    fn sorted(mut self) -> Self {
        self.sort();
        self
    }
}

fn main() {
    assert_eq!(
        vec![1, 2, 3],
        vec![2, 3, 1].sorted(),
    );
}
```

[extension traits]: https://dev.to/matsimitsu/extending-existing-functionality-in-rust-with-traits-in-rust-3622