boa_runtime 0.21.1

Example runtime for the Boa JavaScript engine.
Documentation 
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const set1 = new Set();

const v1 = new Uint8Array([1, 2]);

set1.add(v1);
set1.add("someValue");
set1.add(new Uint8Array([3, 4]));
set1.add(set1); // Russell be damned!

const set2 = structuredClone(set1, { transfer: [v1.buffer] });
const [s2v1, v2, v3, v4] = [...set2.values()];

assert(s2v1 !== v1);
assertEq(v1.buffer.byteLength, 0);
assertArrayEqual(s2v1, [1, 2]);
assertEq(v2, "someValue");
assertArrayEqual(v3, [3, 4]);
assertEq(set2, v4);