c2b2c306af
If each type in U has construct signatures and the sets of construct signatures are identical ignoring return types, U has the same set of construct signatures, but with return types that are unions of the return types of the respective construct signatures from each type in U.
133 lines
8.4 KiB
TypeScript
133 lines
8.4 KiB
TypeScript
//// [unionTypeConstructSignatures.ts]
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var numOrDate: number | Date;
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var strOrBoolean: string | boolean;
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var strOrNum: string | number;
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// If each type in U has construct signatures and the sets of construct signatures are identical ignoring return types,
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// U has the same set of construct signatures, but with return types that are unions of the return types of the respective construct signatures from each type in U.
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var unionOfDifferentReturnType: { new (a: number): number; } | { new (a: number): Date; };
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numOrDate = new unionOfDifferentReturnType(10);
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strOrBoolean = new unionOfDifferentReturnType("hello"); // error
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new unionOfDifferentReturnType1(true); // error in type of parameter
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var unionOfDifferentReturnType1: { new (a: number): number; new (a: string): string; } | { new (a: number): Date; new (a: string): boolean; };
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numOrDate = new unionOfDifferentReturnType1(10);
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strOrBoolean = new unionOfDifferentReturnType1("hello");
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new unionOfDifferentReturnType1(true); // error in type of parameter
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new unionOfDifferentReturnType1(); // error missing parameter
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var unionOfDifferentParameterTypes: { new (a: number): number; } | { new (a: string): Date; };
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new unionOfDifferentParameterTypes(10);// error - no call signatures
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new unionOfDifferentParameterTypes("hello");// error - no call signatures
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new unionOfDifferentParameterTypes();// error - no call signatures
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var unionOfDifferentNumberOfSignatures: { new (a: number): number; } | { new (a: number): Date; new (a: string): boolean; };
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new unionOfDifferentNumberOfSignatures(); // error - no call signatures
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new unionOfDifferentNumberOfSignatures(10); // error - no call signatures
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new unionOfDifferentNumberOfSignatures("hello"); // error - no call signatures
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var unionWithDifferentParameterCount: { new (a: string): string; } | { new (a: string, b: number): number; };
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new unionWithDifferentParameterCount();// no call signature
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new unionWithDifferentParameterCount("hello");// no call signature
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new unionWithDifferentParameterCount("hello", 10);// no call signature
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var unionWithOptionalParameter1: { new (a: string, b?: number): string; } | { new (a: string, b?: number): number; };
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strOrNum = new unionWithOptionalParameter1('hello');
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strOrNum = new unionWithOptionalParameter1('hello', 10);
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strOrNum = new unionWithOptionalParameter1('hello', "hello"); // error in parameter type
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strOrNum = new unionWithOptionalParameter1(); // error
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var unionWithOptionalParameter2: { new (a: string, b?: number): string; } | { new (a: string, b: number): number };
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strOrNum = new unionWithOptionalParameter2('hello'); // error no call signature
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strOrNum = new unionWithOptionalParameter2('hello', 10); // error no call signature
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strOrNum = new unionWithOptionalParameter2('hello', "hello"); // error no call signature
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strOrNum = new unionWithOptionalParameter2(); // error no call signature
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var unionWithOptionalParameter3: { new (a: string, b?: number): string; } | { new (a: string): number; };
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strOrNum = new unionWithOptionalParameter3('hello'); // error no call signature
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strOrNum = new unionWithOptionalParameter3('hello', 10); // error no call signature
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strOrNum = new unionWithOptionalParameter3('hello', "hello"); // error no call signature
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strOrNum = new unionWithOptionalParameter3(); // error no call signature
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var unionWithRestParameter1: { new (a: string, ...b: number[]): string; } | { new (a: string, ...b: number[]): number };
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strOrNum = new unionWithRestParameter1('hello');
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strOrNum = new unionWithRestParameter1('hello', 10);
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strOrNum = new unionWithRestParameter1('hello', 10, 11);
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strOrNum = new unionWithRestParameter1('hello', "hello"); // error in parameter type
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strOrNum = new unionWithRestParameter1(); // error
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var unionWithRestParameter2: { new (a: string, ...b: number[]): string; } | { new (a: string, b: number): number };
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strOrNum = new unionWithRestParameter2('hello'); // error no call signature
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strOrNum = new unionWithRestParameter2('hello', 10); // error no call signature
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strOrNum = new unionWithRestParameter2('hello', 10, 11); // error no call signature
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strOrNum = new unionWithRestParameter2('hello', "hello"); // error no call signature
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strOrNum = new unionWithRestParameter2(); // error no call signature
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var unionWithRestParameter3: { new (a: string, ...b: number[]): string; } | { new (a: string): number };
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strOrNum = new unionWithRestParameter3('hello'); // error no call signature
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strOrNum = new unionWithRestParameter3('hello', 10); // error no call signature
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strOrNum = new unionWithRestParameter3('hello', 10, 11); // error no call signature
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strOrNum = new unionWithRestParameter3('hello', "hello"); // error no call signature
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strOrNum = new unionWithRestParameter3(); // error no call signature
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//// [unionTypeConstructSignatures.js]
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var numOrDate;
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var strOrBoolean;
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var strOrNum;
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// If each type in U has construct signatures and the sets of construct signatures are identical ignoring return types,
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// U has the same set of construct signatures, but with return types that are unions of the return types of the respective construct signatures from each type in U.
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var unionOfDifferentReturnType;
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numOrDate = new unionOfDifferentReturnType(10);
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strOrBoolean = new unionOfDifferentReturnType("hello"); // error
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new unionOfDifferentReturnType1(true); // error in type of parameter
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var unionOfDifferentReturnType1;
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numOrDate = new unionOfDifferentReturnType1(10);
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strOrBoolean = new unionOfDifferentReturnType1("hello");
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new unionOfDifferentReturnType1(true); // error in type of parameter
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new unionOfDifferentReturnType1(); // error missing parameter
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var unionOfDifferentParameterTypes;
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new unionOfDifferentParameterTypes(10); // error - no call signatures
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new unionOfDifferentParameterTypes("hello"); // error - no call signatures
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new unionOfDifferentParameterTypes(); // error - no call signatures
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var unionOfDifferentNumberOfSignatures;
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new unionOfDifferentNumberOfSignatures(); // error - no call signatures
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new unionOfDifferentNumberOfSignatures(10); // error - no call signatures
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new unionOfDifferentNumberOfSignatures("hello"); // error - no call signatures
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var unionWithDifferentParameterCount;
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new unionWithDifferentParameterCount(); // no call signature
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new unionWithDifferentParameterCount("hello"); // no call signature
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new unionWithDifferentParameterCount("hello", 10); // no call signature
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var unionWithOptionalParameter1;
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strOrNum = new unionWithOptionalParameter1('hello');
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strOrNum = new unionWithOptionalParameter1('hello', 10);
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strOrNum = new unionWithOptionalParameter1('hello', "hello"); // error in parameter type
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strOrNum = new unionWithOptionalParameter1(); // error
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var unionWithOptionalParameter2;
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strOrNum = new unionWithOptionalParameter2('hello'); // error no call signature
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strOrNum = new unionWithOptionalParameter2('hello', 10); // error no call signature
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strOrNum = new unionWithOptionalParameter2('hello', "hello"); // error no call signature
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strOrNum = new unionWithOptionalParameter2(); // error no call signature
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var unionWithOptionalParameter3;
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strOrNum = new unionWithOptionalParameter3('hello'); // error no call signature
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strOrNum = new unionWithOptionalParameter3('hello', 10); // error no call signature
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strOrNum = new unionWithOptionalParameter3('hello', "hello"); // error no call signature
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strOrNum = new unionWithOptionalParameter3(); // error no call signature
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var unionWithRestParameter1;
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strOrNum = new unionWithRestParameter1('hello');
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strOrNum = new unionWithRestParameter1('hello', 10);
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strOrNum = new unionWithRestParameter1('hello', 10, 11);
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strOrNum = new unionWithRestParameter1('hello', "hello"); // error in parameter type
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strOrNum = new unionWithRestParameter1(); // error
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var unionWithRestParameter2;
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strOrNum = new unionWithRestParameter2('hello'); // error no call signature
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strOrNum = new unionWithRestParameter2('hello', 10); // error no call signature
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strOrNum = new unionWithRestParameter2('hello', 10, 11); // error no call signature
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strOrNum = new unionWithRestParameter2('hello', "hello"); // error no call signature
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strOrNum = new unionWithRestParameter2(); // error no call signature
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var unionWithRestParameter3;
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strOrNum = new unionWithRestParameter3('hello'); // error no call signature
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strOrNum = new unionWithRestParameter3('hello', 10); // error no call signature
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strOrNum = new unionWithRestParameter3('hello', 10, 11); // error no call signature
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strOrNum = new unionWithRestParameter3('hello', "hello"); // error no call signature
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strOrNum = new unionWithRestParameter3(); // error no call signature
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