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//! # Examples
//!
//! ```
//! use shakemyleg::compile;
//! use serde::{Serialize, Deserialize};
//!
//! #[derive(Serialize)]
//! struct Globals {
//! foo: u8
//! }
//!
//! #[derive(Serialize)]
//! struct Inputs {
//! bar: u8
//! }
//!
//! #[derive(Deserialize, PartialEq, Debug)]
//! struct Outputs {
//! state: String,
//! foo: u8,
//! bar: u8,
//! }
//!
//! let src = r#"
//! default head:
//! outputs.foo = globals.foo
//!
//! state first:
//! head:
//! outputs.state = "first"
//! when inputs.bar < 10:
//! outputs.bar = inputs.bar + 1
//! when outputs.bar >= 10:
//! changeto second
//!
//! state second:
//! head:
//! outputs.state = "second"
//! when inputs.bar > 1:
//! outputs.bar = inputs.bar - 1
//! when outputs.bar <= 1:
//! changeto first
//! "#;
//!
//! let mut sm = compile(src).unwrap();
//! sm.reinit(Globals { foo: 1u8 }).unwrap();
//!
//! let i = Inputs { bar: 3u8 };
//! let o: Outputs = sm.run(i).unwrap().unwrap();
//! assert_eq!(o, Outputs { state: "first".to_string(), foo: 1u8, bar: 4u8 });
//! ```
//!
//!