robertcoopercode · January 9, 2019 00:29
diff --git a/type-alias-annotation.ts b/type-alias-annotation.ts
 type Animal = {
    kind: string;
    weight: number;
 }

 let dog: Animal;

 dog = {
    kind: 'mammal',
    weight: 10
 } // ✅

 dog = {
    kind: true,
    weight: 10
 } // ❌ - kind should be a string
	type Animal = {
	kind: string;
	weight: number;
	}

	let dog: Animal;

	dog = {
	kind: 'mammal',
	weight: 10
	} // ✅

	dog = {
	kind: true,
	weight: 10
	} // ❌ - kind should be a string