TypeScript intersection types - combining properties

typescript-intersection-types-combining-properties.ts

interface D { d: boolean; }
interface E { e: string; }
interface F { f: number; }

interface A { x: D; }
interface B { x: E; }
interface C { x: F; }

type ABC = A & B & C;

let abc: ABC = {
    x: {
        d: true,
        e: 'codingblast',
        f: 3
    }
};

console.log('abc:', abc);