function getValue() {
    switch(Math.random() % 3) {
        case 0:
            return 'foo';
        case 1:
            return 5;
        case 2: 
            return { value: '5' };
        default:
            throw new Error('Ups');
    }
}

const result = getValue() + 1;

function getValue(): any {
    switch(Math.random() % 3) {
        case 0:
            return 'foo';
        case 1:
            return 5;
        case 2: 
            return { value: '5' };
        default:
            throw new Error('Ups');
    }
}

const result = getValue() as number + 1;

type Order = {
    clientName: string
};

const orderWorks = {} as Order;

const orderAlsoWorks = <Order>{};

type Foo = {
    foo: string;
    handleStuff: () => void;
}

type Bar = {
    foo: string;
}

const foo: Foo = { 
    foo: 'foo', 
    handleStuff: () => ({}) 
};

// works, struc. of `Bar` is subset
const bar: Bar = foo;

// won't compile. 
// `handleStuff` is missing
foo = bar;

class Foo {
    public string Foo { get; set; }
}

class Bar {
    public string Foo { get; set; }
}


Foo foo = new Foo { Foo = "foo" };

// won't compile.
// Its different type
Bar bar = foo;

function handle( item: {value: string} ) {
    // do stuff
}

handle({ 
    value: 'some value' 
});


const item = {
    name: 'Item name',
    value: 'some value',
};

handle(item);

function handle( item: {value: string} ) {
    // do stuff
}

// [error] Object literal may only specify known properties, 
// and 'name' does not exist 
// in type '{ value: string; }'.
handle({
    name: 'Item name',
    value: 'some value',
});