//! # This is test source.<br>
//! ## This has a problem.<br>
//!
//! use utils_plugs::*;
//! #[derive(Concentric, Default)]
//! struct Foo {
//! pub a: Plugin<i32>,
//! b: usize,
//! }
//! fn main() {
//! let mut foo = Foo::default();
//! let plugin = Plugin::new(4);
//! a.concentric(&plugin);
//! }
pub use *;
pub use *;