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robertcoopercode/basic-inference-3.ts

Created January 9, 2019 00:27
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basic-inference-3.ts
function add(a: number, b: number) {
return a + b;
}
const result = add(2, 4);
result.toFixed(2); // ✅
result.length; // ❌ - length is not a property of number types
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