zuzu-rust 0.6.0

Rust implementation of ZuzuScript
Documentation 
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class Mixer {
	let salt;

	method combine ( Number left, Number right ) {
		return ( left * 17 + right * 31 + salt ) mod 1009;
	}
}

function stringify_triplet ( Number i, Number j, Number value ) {
	return "i=" _ i _ ";j=" _ j _ ";v=" _ value;
}

function run_round ( Number outer_limit, Number inner_limit ) {
	let mixer := new Mixer( salt: 11 );
	let unique := <<>>;
	let shifted := <<>>;
	let checksum := 0;

	let i := 0;
	while ( i < outer_limit ) {
		let j := 0;
		while ( j < inner_limit ) {
			let value := mixer.combine(i, j);
			let line := stringify_triplet(i, j, value);

			checksum += value;
			checksum += line cmp "";

			unique.add(value);
			if ( value mod 5 = 0 ) {
				shifted.add(value + 1);
			}

			j++;
		}
		i++;
	}

	let overlap := unique.intersection(shifted);
	let merged := unique.union(shifted);
	let delta := merged.difference(overlap);
	let symmetric := unique.symmetric_difference(shifted);

	checksum += unique.length();
	checksum += shifted.length();
	checksum += overlap.length();
	checksum += delta.length();
	checksum += symmetric.length();

	return checksum;
}

function __main__ ( argv ) {
	let total := 0;
	let cycle := 0;
	while ( cycle < 2 ) {
		total += run_round(8, 15);
		cycle++;
	}

	if ( total < 1 ) {
		die "unexpected benchmark result";
	}
}