26 lines
651 B
TypeScript
26 lines
651 B
TypeScript
// @strict: true
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// Repros from #23771
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const myNull: null = null;
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const objWithValMaybeNull: { val: number | null } = { val: 1 };
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const addOne = function (num: number) {
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return num + 1;
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}
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if (objWithValMaybeNull.val !== null)
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addOne(objWithValMaybeNull.val);
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if (objWithValMaybeNull.val !== myNull)
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addOne(objWithValMaybeNull.val);
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if (objWithValMaybeNull.val === null)
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addOne(objWithValMaybeNull.val); // Error
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if (objWithValMaybeNull.val === myNull)
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addOne(objWithValMaybeNull.val); // Error
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function f(x: number | null) {
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if(x === myNull) {
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const s: string = x; // Error
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}
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}
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