File: chainedAssignment3.types

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=== tests/cases/compiler/chainedAssignment3.ts ===
class A {
>A : A

    id: number;
>id : number
}

class B extends A {
>B : B
>A : A

    value: string;
>value : string
}

var a: A;
>a : A

var b: B;
>b : B

a = b = null;
>a = b = null : null
>a : A
>b = null : null
>b : B
>null : null

a = b = new B();
>a = b = new B() : B
>a : A
>b = new B() : B
>b : B
>new B() : B
>B : typeof B

b = a = new B();
>b = a = new B() : B
>b : B
>a = new B() : B
>a : A
>new B() : B
>B : typeof B

a.id = b.value = null;
>a.id = b.value = null : null
>a.id : number
>a : A
>id : number
>b.value = null : null
>b.value : string
>b : B
>value : string
>null : null

// error cases
b = a = new A();
>b = a = new A() : A
>b : B
>a = new A() : A
>a : A
>new A() : A
>A : typeof A

a = b = new A();
>a = b = new A() : A
>a : A
>b = new A() : A
>b : B
>new A() : A
>A : typeof A