A better way to define readonly properties ?

[NN---]

Current solution involves a lot of boilerplate code:

class A {
 constructor(a: number) {
  this._a = a;
 }

 private _a: number;
 get a(): number { return _a; }

It would be nice to have something simpler.
Now you can define properties from the constructor, why not define getter there as well ?

class A {
 constructor(get a: number) {
 }

[danquirk]

You can use parameter properties today for similar shorthand:

class A {
    constructor(public x: number, private y: string) {}
}

var a:A;
var r = a.x; // number
var r2 = a.y; // error

See #12 for read only issues.

[NN---]

I know about shorthand.
My intention is shorthand for readonly from constructor.
I didn't see this proposal in the #12 .

[fabm22]

@danquirk You sure meant to write a y in second parameter of your constructor right ??

[danquirk]

Correct. Fixed. You'll probably be interested in #6532