is_empty

Easily check if the struct is empty.

Usage

```rust use is_empty::IsEmpty;

[derive(IsEmpty)]

struct Foo { a: Option, b: Option, }

let foo = Foo { a: Some("a".tostring()), b: None, }; assert!(!foo.isempty());

let bar = Foo { a: None, b: None, }; assert!(bar.is_empty()); ```

Acknowledgements

This crate was made possible by the excellent blog series on derive macros by Jonas Platte.

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.