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11 lines
194 B
JavaScript
11 lines
194 B
JavaScript
function f(a, b) {
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let x = []; // <- x starts being mutable here.
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if (a.length === 1) {
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if (b) {
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x.push(b); // <- x stops being mutable here.
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}
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}
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return <div>{x}</div>;
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}
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