tests/cases/conformance/types/union/unionTypeCallSignatures.ts(9,43): error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(10,29): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(15,29): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(16,1): error TS2346: Supplied parameters do not match any signature of call target. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(19,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(20,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(21,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(24,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(25,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(26,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(29,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(30,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(31,1): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(36,49): error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(37,12): error TS2346: Supplied parameters do not match any signature of call target. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(40,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(41,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(42,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(43,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(46,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(47,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(48,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(49,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(55,45): error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(56,12): error TS2346: Supplied parameters do not match any signature of call target. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(59,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(60,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(61,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(62,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(63,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(66,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(67,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(68,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(69,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. tests/cases/conformance/types/union/unionTypeCallSignatures.ts(70,12): error TS2349: Cannot invoke an expression whose type lacks a call signature. ==== tests/cases/conformance/types/union/unionTypeCallSignatures.ts (35 errors) ==== var numOrDate: number | Date; var strOrBoolean: string | boolean; var strOrNum: string | number; // If each type in U has call signatures and the sets of call signatures are identical ignoring return types, // U has the same set of call signatures, but with return types that are unions of the return types of the respective call signatures from each type in U. var unionOfDifferentReturnType: { (a: number): number; } | { (a: number): Date; }; numOrDate = unionOfDifferentReturnType(10); strOrBoolean = unionOfDifferentReturnType("hello"); // error ~~~~~~~ !!! error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'. unionOfDifferentReturnType1(true); // error in type of parameter ~~~~ !!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'. var unionOfDifferentReturnType1: { (a: number): number; (a: string): string; } | { (a: number): Date; (a: string): boolean; }; numOrDate = unionOfDifferentReturnType1(10); strOrBoolean = unionOfDifferentReturnType1("hello"); unionOfDifferentReturnType1(true); // error in type of parameter ~~~~ !!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'. unionOfDifferentReturnType1(); // error missing parameter ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2346: Supplied parameters do not match any signature of call target. var unionOfDifferentParameterTypes: { (a: number): number; } | { (a: string): Date; }; unionOfDifferentParameterTypes(10);// error - no call signatures ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. unionOfDifferentParameterTypes("hello");// error - no call signatures ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. unionOfDifferentParameterTypes();// error - no call signatures ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. var unionOfDifferentNumberOfSignatures: { (a: number): number; } | { (a: number): Date; (a: string): boolean; }; unionOfDifferentNumberOfSignatures(); // error - no call signatures ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. unionOfDifferentNumberOfSignatures(10); // error - no call signatures ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. unionOfDifferentNumberOfSignatures("hello"); // error - no call signatures ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. var unionWithDifferentParameterCount: { (a: string): string; } | { (a: string, b: number): number; } ; unionWithDifferentParameterCount();// no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. unionWithDifferentParameterCount("hello");// no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. unionWithDifferentParameterCount("hello", 10);// no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. var unionWithOptionalParameter1: { (a: string, b?: number): string; } | { (a: string, b?: number): number; }; strOrNum = unionWithOptionalParameter1('hello'); strOrNum = unionWithOptionalParameter1('hello', 10); strOrNum = unionWithOptionalParameter1('hello', "hello"); // error in parameter type ~~~~~~~ !!! error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'. strOrNum = unionWithOptionalParameter1(); // error ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2346: Supplied parameters do not match any signature of call target. var unionWithOptionalParameter2: { (a: string, b?: number): string; } | { (a: string, b: number): number }; strOrNum = unionWithOptionalParameter2('hello'); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithOptionalParameter2('hello', 10); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithOptionalParameter2('hello', "hello"); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithOptionalParameter2(); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. var unionWithOptionalParameter3: { (a: string, b?: number): string; } | { (a: string): number; }; strOrNum = unionWithOptionalParameter3('hello'); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithOptionalParameter3('hello', 10); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithOptionalParameter3('hello', "hello"); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithOptionalParameter3(); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. var unionWithRestParameter1: { (a: string, ...b: number[]): string; } | { (a: string, ...b: number[]): number }; strOrNum = unionWithRestParameter1('hello'); strOrNum = unionWithRestParameter1('hello', 10); strOrNum = unionWithRestParameter1('hello', 10, 11); strOrNum = unionWithRestParameter1('hello', "hello"); // error in parameter type ~~~~~~~ !!! error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'. strOrNum = unionWithRestParameter1(); // error ~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2346: Supplied parameters do not match any signature of call target. var unionWithRestParameter2: { (a: string, ...b: number[]): string; } | { (a: string, b: number): number }; strOrNum = unionWithRestParameter2('hello'); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter2('hello', 10); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter2('hello', 10, 11); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter2('hello', "hello"); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter2(); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. var unionWithRestParameter3: { (a: string, ...b: number[]): string; } | { (a: string): number }; strOrNum = unionWithRestParameter3('hello'); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter3('hello', 10); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter3('hello', 10, 11); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter3('hello', "hello"); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature. strOrNum = unionWithRestParameter3(); // error no call signature ~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS2349: Cannot invoke an expression whose type lacks a call signature.