zuzu-rust 0.6.0

Rust implementation of ZuzuScript
Documentation 
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from test/more import *;
from test/worker_contract import require_worker_phase;

let Worker := require_worker_phase(3);

class WorkerPhase2Box {
	let Number value with get, set := 0;

	method label ( String prefix ) -> String {
		return prefix _ ":" _ value;
	}
}

async function main () {
	let box := new WorkerPhase2Box( value: 41 );
	let result := await {
		Worker.spawn(
			function ( copy ) {
				copy.set_value( copy.get_value() + 1 );
				return [ copy.label("worker"), copy.get_value() ];
			},
			[ box ],
		);
	};

	is( result, [ "worker:42", 42 ], "worker calls copied object methods" );
	is( box.get_value(), 41, "worker object mutation stays isolated" );

	let bound_result := await {
		Worker.spawn( box{"label"}, [ "bound" ] );
	};

	is( bound_result, "bound:41", "worker receives bound method callable" );
	is( box.get_value(), 41, "bound method receiver remains isolated" );
}

await {
	main();
};

done_testing();