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=== tests/cases/conformance/controlFlow/controlFlowDeleteOperator.ts ===
function f() {
>f : () => void
let x: { a?: number | string, b: number | string } = { b: 1 };
>x : { a?: string | number | undefined; b: string | number; }
>a : string | number | undefined
>b : string | number
>{ b: 1 } : { b: number; }
>b : number
>1 : 1
x.a;
>x.a : string | number | undefined
>x : { a?: string | number | undefined; b: string | number; }
>a : string | number | undefined
x.b;
>x.b : string | number
>x : { a?: string | number | undefined; b: string | number; }
>b : string | number
x.a = 1;
>x.a = 1 : 1
>x.a : string | number | undefined
>x : { a?: string | number | undefined; b: string | number; }
>a : string | number | undefined
>1 : 1
x.b = 1;
>x.b = 1 : 1
>x.b : string | number
>x : { a?: string | number | undefined; b: string | number; }
>b : string | number
>1 : 1
x.a;
>x.a : number
>x : { a?: string | number | undefined; b: string | number; }
>a : number
x.b;
>x.b : number
>x : { a?: string | number | undefined; b: string | number; }
>b : number
delete x.a;
>delete x.a : boolean
>x.a : number
>x : { a?: string | number | undefined; b: string | number; }
>a : number
delete x.b;
>delete x.b : boolean
>x.b : number
>x : { a?: string | number | undefined; b: string | number; }
>b : number
x.a;
>x.a : undefined
>x : { a?: string | number | undefined; b: string | number; }
>a : undefined
x.b;
>x.b : string | number
>x : { a?: string | number | undefined; b: string | number; }
>b : string | number
x;
>x : { a?: string | number | undefined; b: string | number; }
delete x; // No effect
>delete x : boolean
>x : { a?: string | number | undefined; b: string | number; }
x;
>x : { a?: string | number | undefined; b: string | number; }
}
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