robertcoopercode · January 9, 2019 00:27
diff --git a/basic-inference-3.ts b/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
	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