60 lines
1.2 KiB
TypeScript
60 lines
1.2 KiB
TypeScript
// @strictNullChecks: true
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function f1() {
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let x: string | number = 1;
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x;
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let y: string | undefined = "";
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y;
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}
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function f2() {
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let [x]: [string | number] = [1];
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x;
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let [y]: [string | undefined] = [""];
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y;
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let [z = ""]: [string | undefined] = [undefined];
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z;
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}
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function f3() {
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let [x]: (string | number)[] = [1];
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x;
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let [y]: (string | undefined)[] = [""];
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y;
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let [z = ""]: (string | undefined)[] = [undefined];
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z;
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}
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function f4() {
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let { x }: { x: string | number } = { x: 1 };
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x;
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let { y }: { y: string | undefined } = { y: "" };
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y;
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let { z = "" }: { z: string | undefined } = { z: undefined };
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z;
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}
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function f5() {
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let { x }: { x?: string | number } = { x: 1 };
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x;
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let { y }: { y?: string | undefined } = { y: "" };
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y;
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let { z = "" }: { z?: string | undefined } = { z: undefined };
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z;
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}
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function f6() {
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let { x }: { x?: string | number } = {};
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x;
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let { y }: { y?: string | undefined } = {};
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y;
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let { z = "" }: { z?: string | undefined } = {};
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z;
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}
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function f7() {
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let o: { [x: string]: number } = { x: 1 };
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let { x }: { [x: string]: string | number } = o;
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x;
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}
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