rhai 0.8.2

Embedded scripting for Rust
Documentation 
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use engine::Engine;

#[test]
fn test_not() {
	let mut engine = Engine::new();

	assert_eq!(engine.eval::<bool>("let not_true = !true; not_true").unwrap(), false);

	assert_eq!(engine.eval::<bool>("fn not(x) { !x } not(false)").unwrap(), true);

	// TODO - do we allow stacking unary operators directly? e.g '!!!!!!!true'
	assert_eq!(engine.eval::<bool>("!(!(!(!(true))))").unwrap(), true)
}