100 lines
2 KiB
Plaintext
100 lines
2 KiB
Plaintext
=== tests/cases/conformance/types/members/typesWithOptionalProperty.ts ===
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// basic uses of optional properties without errors
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interface I {
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>I : I
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foo: string;
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>foo : string
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bar?: number;
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>bar : number
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baz? (): string;
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>baz : () => string
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}
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var a: {
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>a : { foo: string; bar?: number; baz?(): string; }
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foo: string;
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>foo : string
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bar?: number;
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>bar : number
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baz? (): string;
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>baz : () => string
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};
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var b = { foo: '' };
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>b : { foo: string; }
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>{ foo: '' } : { foo: string; }
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>foo : string
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>'' : string
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var c = { foo: '', bar: 3 };
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>c : { foo: string; bar: number; }
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>{ foo: '', bar: 3 } : { foo: string; bar: number; }
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>foo : string
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>'' : string
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>bar : number
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>3 : number
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var d = { foo: '', bar: 3, baz: () => '' };
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>d : { foo: string; bar: number; baz: () => string; }
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>{ foo: '', bar: 3, baz: () => '' } : { foo: string; bar: number; baz: () => string; }
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>foo : string
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>'' : string
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>bar : number
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>3 : number
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>baz : () => string
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>() => '' : () => string
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>'' : string
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var i: I;
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>i : I
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>I : I
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i = b;
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>i = b : { foo: string; }
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>i : I
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>b : { foo: string; }
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i = c;
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>i = c : { foo: string; bar: number; }
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>i : I
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>c : { foo: string; bar: number; }
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i = d;
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>i = d : { foo: string; bar: number; baz: () => string; }
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>i : I
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>d : { foo: string; bar: number; baz: () => string; }
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a = b;
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>a = b : { foo: string; }
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>a : { foo: string; bar?: number; baz?(): string; }
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>b : { foo: string; }
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a = c;
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>a = c : { foo: string; bar: number; }
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>a : { foo: string; bar?: number; baz?(): string; }
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>c : { foo: string; bar: number; }
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a = d;
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>a = d : { foo: string; bar: number; baz: () => string; }
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>a : { foo: string; bar?: number; baz?(): string; }
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>d : { foo: string; bar: number; baz: () => string; }
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i = a;
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>i = a : { foo: string; bar?: number; baz?(): string; }
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>i : I
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>a : { foo: string; bar?: number; baz?(): string; }
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a = i;
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>a = i : I
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>a : { foo: string; bar?: number; baz?(): string; }
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>i : I
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