51 lines
1 KiB
Plaintext
51 lines
1 KiB
Plaintext
=== tests/cases/compiler/intersectionsAndReadonlyProperties.ts ===
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// readonly and non-readonly
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type Intersection1 = { readonly a: number } & { a: number };
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>Intersection1 : Intersection1
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>a : number
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>a : number
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declare let i1: Intersection1;
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>i1 : Intersection1
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i1.a = 2;
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>i1.a = 2 : 2
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>i1.a : number
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>i1 : Intersection1
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>a : number
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>2 : 2
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// getter and setter
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type Intersection2 = { get a(): number } & { set a(v: number) };
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>Intersection2 : Intersection2
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>a : number
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>a : number
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>v : number
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declare let i2: Intersection2;
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>i2 : Intersection2
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i2.a = 2;
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>i2.a = 2 : 2
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>i2.a : number
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>i2 : Intersection2
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>a : number
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>2 : 2
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// assignment to an all read-only property should still be disallowed
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type IntersectionAllReadonly = { readonly a: number } & { get a(): number };
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>IntersectionAllReadonly : IntersectionAllReadonly
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>a : number
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>a : number
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declare let ia: IntersectionAllReadonly;
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>ia : IntersectionAllReadonly
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ia.a = 2; // Error
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>ia.a = 2 : 2
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>ia.a : any
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>ia : IntersectionAllReadonly
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>a : any
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>2 : 2
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