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//!
//! ## Example
//!
//! Build and run a Reactor with reactions that respond to startup and shutdown actions:
//!
//! ```rust
//! use boomerang::{builder::prelude::*, runtime, Reactor, Reaction};
//!
//! struct State {
//! success: bool,
//! }
//!
//! #[derive(Reactor)]
//! #[reactor(
//! state = "State",
//! reaction = "ReactionStartup",
//! reaction = "ReactionShutdown"
//! )]
//! struct HelloWorld;
//!
//! #[derive(Reaction)]
//! #[reaction(
//! reactor = "HelloWorld",
//! triggers(startup)
//! )]
//! struct ReactionStartup;
//!
//! impl Trigger<HelloWorld> for ReactionStartup {
//! fn trigger(self, _ctx: &mut runtime::Context, state: &mut State) {
//! println!("Hello World.");
//! state.success = true;
//! }
//! }
//!
//! #[derive(Reaction)]
//! #[reaction(
//! reactor = "HelloWorld",
//! triggers(shutdown)
//! )]
//! struct ReactionShutdown;
//!
//! impl Trigger<HelloWorld> for ReactionShutdown {
//! fn trigger(self, _ctx: &mut runtime::Context, state: &mut State) {
//! println!("Shutdown invoked.");
//! assert!(state.success, "ERROR: startup reaction not executed.");
//! }
//! }
//!
//! let mut env_builder = EnvBuilder::new();
//! let reactor = HelloWorld::build(
//! "hello_world",
//! State {
//! success: false
//! },
//! None,
//! None,
//! &mut env_builder
//! ).unwrap();
//! let (mut env, triggers, _) = env_builder.into_runtime_parts().unwrap();
//! let mut sched = runtime::Scheduler::new(env, triggers, true, false);
//! sched.event_loop();
//! ```
//!
//! ## Feature flags
// Re-exports
pub use boomerang_builder as builder;
pub use boomerang_runtime as runtime;
pub use *;
/// Top-level error type for Boomerang