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Chris Tate
94fd361b54
Represent ordinary JavaScript arrays with hole, value, and explicit-undefined states; add sparse side storage and carry missing values through the frontend, native backends, runtime, and Node-facing consumers.
8 lines
305 B
TypeScript
8 lines
305 B
TypeScript
// Noncanonical numeric keys are ordinary properties and can carry present undefined.
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const values: number[] = [7];
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const missing = values[9];
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values[-1] = missing;
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values[0.5] = missing;
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values[4294967295] = missing;
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console.log("properties", values.length, values[-1], values[0.5], values[4294967295]);
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