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