1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
|
// @strict: true
// @noUnusedLocals: true
// @noUnusedParameters: true
function f(x = 0, b = false) {
// None of these statements read from 'x', so it will be marked unused.
x = 1;
x++;
x /= 2;
([x] = [1]);
({ x } = { x: 1 });
({ x: x } = { x: 1 });
({ a: [{ b: x }] } = { a: [{ b: 1 }] });
({ x = 2 } = { x: b ? 1 : undefined });
let used = 1;
({ x = used } = { x: b ? 1 : undefined });
let y = 0;
// This is a write access to y, but not a write-*only* access.
f(y++);
let z = 0;
f(z = 1); // This effectively doesn't use `z`, values just pass through it.
}
function f2(_: ReadonlyArray<number>): void {}
|