18 lines
381 B
JavaScript
18 lines
381 B
JavaScript
const tuple1 = #[1, 2, 3];
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assert(tuple1[0] === 1);
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const tuple2 = tuple1.with(0, 2);
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assert(tuple1 !== tuple2);
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assert(tuple2 === #[2, 2, 3]);
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const tuple3 = #[1, ...tuple2];
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assert(tuple3 === #[1, 2, 2, 3]);
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const tuple4 = tuple3.pushed(4);
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assert(tuple4 === #[1, 2, 2, 3, 4]);
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assert(tuple4.first() === 1);
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const tuple5 = tuple4.popped();
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assert(tuple5 === #[2, 2, 3, 4]);
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