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//// [assignmentCompatWithGenericCallSignaturesWithOptionalParameters.ts]
// call signatures in derived types must have the same or fewer optional parameters as the target for assignment
module ClassTypeParam {
class Base<T> {
a: () => T;
a2: (x?: T) => T;
a3: (x: T) => T;
a4: (x: T, y?: T) => T;
a5: (x?: T, y?: T) => T;
init = () => {
this.a = () => null; // ok, same T of required params
this.a = (x?: T) => null; // ok, same T of required params
this.a = (x: T) => null; // error, too many required params
this.a2 = () => null; // ok, same T of required params
this.a2 = (x?: T) => null; // ok, same T of required params
this.a2 = (x: T) => null; // ok, same number of params
this.a3 = () => null; // ok, fewer required params
this.a3 = (x?: T) => null; // ok, fewer required params
this.a3 = (x: T) => null; // ok, same T of required params
this.a3 = (x: T, y: T) => null; // error, too many required params
this.a4 = () => null; // ok, fewer required params
this.a4 = (x?: T, y?: T) => null; // ok, fewer required params
this.a4 = (x: T) => null; // ok, same T of required params
this.a4 = (x: T, y: T) => null; // ok, same number of params
this.a5 = () => null; // ok, fewer required params
this.a5 = (x?: T, y?: T) => null; // ok, fewer required params
this.a5 = (x: T) => null; // ok, all present params match
this.a5 = (x: T, y: T) => null; // ok, same number of params
}
}
}
module GenericSignaturesInvalid {
class Base2 {
a: <T>() => T;
a2: <T>(x?: T) => T;
a3: <T>(x: T) => T;
a4: <T>(x: T, y?: T) => T;
a5: <T>(x?: T, y?: T) => T;
}
class Target<T> {
a: () => T;
a2: (x?: T) => T;
a3: (x: T) => T;
a4: (x: T, y?: T) => T;
a5: (x?: T, y?: T) => T;
}
function foo<T>() {
var b: Base2;
var t: Target<T>;
// all errors
b.a = t.a;
b.a = t.a2;
b.a = t.a3;
b.a = t.a4;
b.a = t.a5;
b.a2 = t.a;
b.a2 = t.a2;
b.a2 = t.a3;
b.a2 = t.a4;
b.a2 = t.a5;
b.a3 = t.a;
b.a3 = t.a2;
b.a3 = t.a3;
b.a3 = t.a4;
b.a3 = t.a5;
b.a4 = t.a;
b.a4 = t.a2;
b.a4 = t.a3;
b.a4 = t.a4;
b.a4 = t.a5;
b.a5 = t.a;
b.a5 = t.a2;
b.a5 = t.a3;
b.a5 = t.a4;
b.a5 = t.a5;
}
}
module GenericSignaturesValid {
class Base2 {
a: <T>() => T;
a2: <T>(x?: T) => T;
a3: <T>(x: T) => T;
a4: <T>(x: T, y?: T) => T;
a5: <T>(x?: T, y?: T) => T;
init = () => {
this.a = <T>() => null; // ok, same T of required params
this.a = <T>(x?: T) => null; // ok, same T of required params
this.a = <T>(x: T) => null; // error, too many required params
this.a2 = <T>() => null; // ok, same T of required params
this.a2 = <T>(x?: T) => null; // ok, same T of required params
this.a2 = <T>(x: T) => null; // ok, same number of params
this.a3 = <T>() => null; // ok, fewer required params
this.a3 = <T>(x?: T) => null; // ok, fewer required params
this.a3 = <T>(x: T) => null; // ok, same T of required params
this.a3 = <T>(x: T, y: T) => null; // error, too many required params
this.a4 = <T>() => null; // ok, fewer required params
this.a4 = <T>(x?: T, y?: T) => null; // ok, fewer required params
this.a4 = <T>(x: T) => null; // ok, same T of required params
this.a4 = <T>(x: T, y: T) => null; // ok, same number of params
this.a5 = <T>() => null; // ok, fewer required params
this.a5 = <T>(x?: T, y?: T) => null; // ok, fewer required params
this.a5 = <T>(x: T) => null; // ok, all present params match
this.a5 = <T>(x: T, y: T) => null; // ok, same number of params
}
}
}
//// [assignmentCompatWithGenericCallSignaturesWithOptionalParameters.js]
// call signatures in derived types must have the same or fewer optional parameters as the target for assignment
var ClassTypeParam;
(function (ClassTypeParam) {
var Base = /** @class */ (function () {
function Base() {
var _this = this;
this.init = function () {
_this.a = function () { return null; }; // ok, same T of required params
_this.a = function (x) { return null; }; // ok, same T of required params
_this.a = function (x) { return null; }; // error, too many required params
_this.a2 = function () { return null; }; // ok, same T of required params
_this.a2 = function (x) { return null; }; // ok, same T of required params
_this.a2 = function (x) { return null; }; // ok, same number of params
_this.a3 = function () { return null; }; // ok, fewer required params
_this.a3 = function (x) { return null; }; // ok, fewer required params
_this.a3 = function (x) { return null; }; // ok, same T of required params
_this.a3 = function (x, y) { return null; }; // error, too many required params
_this.a4 = function () { return null; }; // ok, fewer required params
_this.a4 = function (x, y) { return null; }; // ok, fewer required params
_this.a4 = function (x) { return null; }; // ok, same T of required params
_this.a4 = function (x, y) { return null; }; // ok, same number of params
_this.a5 = function () { return null; }; // ok, fewer required params
_this.a5 = function (x, y) { return null; }; // ok, fewer required params
_this.a5 = function (x) { return null; }; // ok, all present params match
_this.a5 = function (x, y) { return null; }; // ok, same number of params
};
}
return Base;
}());
})(ClassTypeParam || (ClassTypeParam = {}));
var GenericSignaturesInvalid;
(function (GenericSignaturesInvalid) {
var Base2 = /** @class */ (function () {
function Base2() {
}
return Base2;
}());
var Target = /** @class */ (function () {
function Target() {
}
return Target;
}());
function foo() {
var b;
var t;
// all errors
b.a = t.a;
b.a = t.a2;
b.a = t.a3;
b.a = t.a4;
b.a = t.a5;
b.a2 = t.a;
b.a2 = t.a2;
b.a2 = t.a3;
b.a2 = t.a4;
b.a2 = t.a5;
b.a3 = t.a;
b.a3 = t.a2;
b.a3 = t.a3;
b.a3 = t.a4;
b.a3 = t.a5;
b.a4 = t.a;
b.a4 = t.a2;
b.a4 = t.a3;
b.a4 = t.a4;
b.a4 = t.a5;
b.a5 = t.a;
b.a5 = t.a2;
b.a5 = t.a3;
b.a5 = t.a4;
b.a5 = t.a5;
}
})(GenericSignaturesInvalid || (GenericSignaturesInvalid = {}));
var GenericSignaturesValid;
(function (GenericSignaturesValid) {
var Base2 = /** @class */ (function () {
function Base2() {
var _this = this;
this.init = function () {
_this.a = function () { return null; }; // ok, same T of required params
_this.a = function (x) { return null; }; // ok, same T of required params
_this.a = function (x) { return null; }; // error, too many required params
_this.a2 = function () { return null; }; // ok, same T of required params
_this.a2 = function (x) { return null; }; // ok, same T of required params
_this.a2 = function (x) { return null; }; // ok, same number of params
_this.a3 = function () { return null; }; // ok, fewer required params
_this.a3 = function (x) { return null; }; // ok, fewer required params
_this.a3 = function (x) { return null; }; // ok, same T of required params
_this.a3 = function (x, y) { return null; }; // error, too many required params
_this.a4 = function () { return null; }; // ok, fewer required params
_this.a4 = function (x, y) { return null; }; // ok, fewer required params
_this.a4 = function (x) { return null; }; // ok, same T of required params
_this.a4 = function (x, y) { return null; }; // ok, same number of params
_this.a5 = function () { return null; }; // ok, fewer required params
_this.a5 = function (x, y) { return null; }; // ok, fewer required params
_this.a5 = function (x) { return null; }; // ok, all present params match
_this.a5 = function (x, y) { return null; }; // ok, same number of params
};
}
return Base2;
}());
})(GenericSignaturesValid || (GenericSignaturesValid = {}));
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