robertcoopercode · January 9, 2019 00:28
diff --git a/best-common-inference-1.ts b/best-common-inference-1.ts
 let list = [10, 22, 4, null, 5];

 list.push(6); // ✅
 list.push(null); // ✅
 list.push('nope'); // ❌ - type 'string' is neither of type 'number' or 'null'
	let list = [10, 22, 4, null, 5];

	list.push(6); // ✅
	list.push(null); // ✅
	list.push('nope'); // ❌ - type 'string' is neither of type 'number' or 'null'