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//// [readonlyConstructorAssignment.ts]
// Tests that readonly parameter properties behave like regular readonly properties
class A {
constructor(readonly x: number) {
this.x = 0;
}
}
class B extends A {
constructor(x: number) {
super(x);
// Fails, x is readonly
this.x = 1;
}
}
class C extends A {
// This is the usual behavior of readonly properties:
// if one is redeclared in a base class, then it can be assigned to.
constructor(readonly x: number) {
super(x);
this.x = 1;
}
}
class D {
constructor(private readonly x: number) {
this.x = 0;
}
}
// Fails, can't redeclare readonly property
class E extends D {
constructor(readonly x: number) {
super(x);
this.x = 1;
}
}
//// [readonlyConstructorAssignment.js]
// Tests that readonly parameter properties behave like regular readonly properties
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 A = /** @class */ (function () {
function A(x) {
this.x = x;
this.x = 0;
}
return A;
}());
var B = /** @class */ (function (_super) {
__extends(B, _super);
function B(x) {
var _this = _super.call(this, x) || this;
// Fails, x is readonly
_this.x = 1;
return _this;
}
return B;
}(A));
var C = /** @class */ (function (_super) {
__extends(C, _super);
// This is the usual behavior of readonly properties:
// if one is redeclared in a base class, then it can be assigned to.
function C(x) {
var _this = _super.call(this, x) || this;
_this.x = x;
_this.x = 1;
return _this;
}
return C;
}(A));
var D = /** @class */ (function () {
function D(x) {
this.x = x;
this.x = 0;
}
return D;
}());
// Fails, can't redeclare readonly property
var E = /** @class */ (function (_super) {
__extends(E, _super);
function E(x) {
var _this = _super.call(this, x) || this;
_this.x = x;
_this.x = 1;
return _this;
}
return E;
}(D));
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