29 lines
1.5 KiB
Plaintext
29 lines
1.5 KiB
Plaintext
tests/cases/compiler/interfaceImplementation7.ts(4,11): error TS2320: Interface 'i3' cannot simultaneously extend types 'i1' and 'i2'.
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Named property 'name' of types 'i1' and 'i2' are not identical.
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tests/cases/compiler/interfaceImplementation7.ts(7,7): error TS2420: Class 'C1' incorrectly implements interface 'i4'.
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Types of property 'name' are incompatible.
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Type '() => string' is not assignable to type '() => { s: string; n: number; }'.
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Type 'string' is not assignable to type '{ s: string; n: number; }'.
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Property 's' is missing in type 'String'.
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==== tests/cases/compiler/interfaceImplementation7.ts (2 errors) ====
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interface i1{ name(): { s: string; }; }
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interface i2{ name(): { n: number; }; }
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interface i3 extends i1, i2 { }
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~~
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!!! error TS2320: Interface 'i3' cannot simultaneously extend types 'i1' and 'i2'.
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!!! error TS2320: Named property 'name' of types 'i1' and 'i2' are not identical.
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interface i4 extends i1, i2 { name(): { s: string; n: number; }; }
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class C1 implements i4 {
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~~
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!!! error TS2420: Class 'C1' incorrectly implements interface 'i4'.
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!!! error TS2420: Types of property 'name' are incompatible.
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!!! error TS2420: Type '() => string' is not assignable to type '() => { s: string; n: number; }'.
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!!! error TS2420: Type 'string' is not assignable to type '{ s: string; n: number; }'.
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!!! error TS2420: Property 's' is missing in type 'String'.
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public name(): string { return ""; }
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}
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