59 lines
1.4 KiB
TypeScript
59 lines
1.4 KiB
TypeScript
//// [initializerReferencingConstructorParameters.ts]
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// Initializer expressions for instance member variables are evaluated in the scope of the class constructor body but are not permitted to reference parameters or local variables of the constructor.
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class C {
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a = x; // error
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b: typeof x; // error
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constructor(x) { }
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}
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class D {
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a = x; // error
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b: typeof x; // error
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constructor(public x) { }
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}
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class E {
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a = this.x; // ok
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b: typeof this.x; // error
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constructor(public x) { }
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}
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class F<T> {
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a = this.x; // ok
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b = x; // error
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constructor(public x: T) { }
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}
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//// [initializerReferencingConstructorParameters.js]
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// Initializer expressions for instance member variables are evaluated in the scope of the class constructor body but are not permitted to reference parameters or local variables of the constructor.
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var C = (function () {
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function C(x) {
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this.a = x; // error
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}
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return C;
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})();
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var D = (function () {
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function D(x) {
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this.x = x;
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this.a = x; // error
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}
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return D;
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})();
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var E = (function () {
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function E(x) {
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this.x = x;
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this.a = this.x; // ok
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this.b = this.x; // error
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}
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return E;
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})();
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var F = (function () {
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function F(x) {
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this.x = x;
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this.a = this.x; // ok
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this.b = x; // error
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}
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return F;
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})();
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