26 lines
673 B
TypeScript
26 lines
673 B
TypeScript
// @strict: true
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// @noUnusedLocals: true
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// @noUnusedParameters: true
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function f(x = 0, b = false) {
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// None of these statements read from 'x', so it will be marked unused.
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x = 1;
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x++;
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x /= 2;
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([x] = [1]);
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({ x } = { x: 1 });
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({ x: x } = { x: 1 });
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({ a: [{ b: x }] } = { a: [{ b: 1 }] });
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({ x = 2 } = { x: b ? 1 : undefined });
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let used = 1;
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({ x = used } = { x: b ? 1 : undefined });
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let y = 0;
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// This is a write access to y, but not a write-*only* access.
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f(y++);
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let z = 0;
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f(z = 1); // This effectively doesn't use `z`, values just pass through it.
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}
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function f2(_: ReadonlyArray<number>): void {}
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