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//// [constructSignatureAssignabilityInInheritance4.ts]
// checking subtype relations for function types as it relates to contextual signature instantiation
class Base { foo: string; }
class Derived extends Base { bar: string; }
class Derived2 extends Derived { baz: string; }
class OtherDerived extends Base { bing: string; }
interface A { // T
// M's
a: new <T>(x: T) => T[];
a2: new <T>(x: T) => string[];
a3: new <T>(x: T) => void;
a4: new <T, U>(x: T, y: U) => string;
a5: new <T, U>(x: (arg: T) => U) => T;
a6: new <T extends Base>(x: (arg: T) => Derived) => T;
a11: new <T>(x: { foo: T }, y: { foo: T; bar: T }) => Base;
a15: new <T>(x: { a: T; b: T }) => T[];
a16: new <T extends Base>(x: { a: T; b: T }) => T[];
a17: {
new <T extends Base>(x: T): T[];
new <U extends Derived>(x: U): U[];
};
a18: {
new <T extends Derived>(x: T): number[];
new <U extends Base>(x: U): number[];
};
a19: {
new <T extends Derived>(x: new (a: T) => T): T[];
new <U extends Base>(x: new (a: U) => U): U[];
};
a20: {
new (x: {
new <T extends Derived>(a: T): T;
new <U extends Base>(a: U): U;
}): any[];
new (x: {
new <T extends Base>(a: T): T;
new <U extends Derived2>(a: U): U;
}): any[];
};
}
// S's
interface I extends A {
// N's
a: new <T>(x: T) => T[]; // ok, instantiation of N is a subtype of M, T is number
a2: new <T>(x: T) => string[]; // ok
a3: new <T>(x: T) => T; // ok since Base returns void
a4: new <T, U>(x: T, y: U) => string; // ok, instantiation of N is a subtype of M, T is string, U is number
a5: new <T, U>(x: (arg: T) => U) => T; // ok, U is in a parameter position so inferences can be made
a6: new <T extends Base, U extends Derived>(x: (arg: T) => U) => T; // ok, same as a5 but with object type hierarchy
a11: new <T, U>(x: { foo: T }, y: { foo: U; bar: U }) => Base; // ok
a15: new <U, V>(x: { a: U; b: V; }) => U[]; // ok, T = U, T = V
a16: new <T>(x: { a: T; b: T }) => T[]; // ok, more general parameter type
a17: new <T extends Base>(x: T) => T[]; // ok, more general parameter type
a18: new <T extends Base>(x: T) => number[]; // ok, more general parameter type
a19: new <T extends Base>(x: new (a: T) => T) => T[]; // ok
a20: new (x: new <T extends Base>(a: T) => T) => any[]; // ok
}
//// [constructSignatureAssignabilityInInheritance4.js]
// checking subtype relations for function types as it relates to contextual signature instantiation
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var Base = /** @class */ (function () {
function Base() {
}
return Base;
}());
var Derived = /** @class */ (function (_super) {
__extends(Derived, _super);
function Derived() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Derived;
}(Base));
var Derived2 = /** @class */ (function (_super) {
__extends(Derived2, _super);
function Derived2() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Derived2;
}(Derived));
var OtherDerived = /** @class */ (function (_super) {
__extends(OtherDerived, _super);
function OtherDerived() {
return _super !== null && _super.apply(this, arguments) || this;
}
return OtherDerived;
}(Base));
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