File: genericCallWithOverloadedFunctionTypedArguments2.js

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//// [genericCallWithOverloadedFunctionTypedArguments2.ts]
// Function typed arguments with multiple signatures must be passed an implementation that matches all of them
// Inferences are made quadratic-pairwise to and from these overload sets

module NonGenericParameter {
    var a: {
        (x: boolean): boolean;
        (x: string): string;
    }

    function foo4(cb: typeof a) {
        return cb;
    }

    var r3 = foo4(<T, U>(x: T) => { var r: U; return r }); // ok
}

module GenericParameter {
    function foo5<T>(cb: { (x: T): string; (x: number): T }) {
        return cb;
    }

    var r6 = foo5(<T>(x: T) => x); // ok

    function foo6<T>(cb: { (x: T): string; (x: T, y?: T): string }) {
        return cb;
    }

    var r10 = foo6(<T>(x: T, y: T) => ''); // error

    function foo7<T>(x:T, cb: { (x: T): string; (x: T, y?: T): string }) {
        return cb;
    }

    var r13 = foo7(1, <T>(x: T) => x); // ok
    var a: { <T>(x: T): number; <T>(x: number): T; }
    var r14 = foo7(1, a); // ok
}

//// [genericCallWithOverloadedFunctionTypedArguments2.js]
// Function typed arguments with multiple signatures must be passed an implementation that matches all of them
// Inferences are made quadratic-pairwise to and from these overload sets
var NonGenericParameter;
(function (NonGenericParameter) {
    var a;
    function foo4(cb) {
        return cb;
    }
    var r3 = foo4(function (x) { var r; return r; }); // ok
})(NonGenericParameter || (NonGenericParameter = {}));
var GenericParameter;
(function (GenericParameter) {
    function foo5(cb) {
        return cb;
    }
    var r6 = foo5(function (x) { return x; }); // ok
    function foo6(cb) {
        return cb;
    }
    var r10 = foo6(function (x, y) { return ''; }); // error
    function foo7(x, cb) {
        return cb;
    }
    var r13 = foo7(1, function (x) { return x; }); // ok
    var a;
    var r14 = foo7(1, a); // ok
})(GenericParameter || (GenericParameter = {}));