First of all, the argument of fromInt() should be an Int, not an Int?. Trying to get a Type using null will obviously lead to null, and a caller shouldn’t even try doing that. The Map has also no reason to be mutable. The code can be reduced to: companion object { private val map … Read more
TypeScript 0.9+ has a specification for enums: enum AnimationType { BOUNCE, DROP, } The final comma is optional.
Create an Enum: enum ACTIVE_OPTIONS { HOME = 0, USERS = 1, PLAYERS = 2 } Create a component, be sure your enum list will have the typeof: export class AppComponent { ACTIVE_OPTIONS = ACTIVE_OPTIONS; active: ACTIVE_OPTIONS; } Create a template: <li [ngClass]=”{ ‘active’: active === ACTIVE_OPTIONS.HOME }”> <a routerLink=”/in”> <i class=”fa fa-fw fa-dashboard”></i> Home … Read more
Though the answer is already provided, Almost no one pointed to the docs Here’s a snippet enum Enum { A } let nameOfA = Enum[Enum.A]; // “A” Keep in mind that string enum members do not get a reverse mapping generated at all.
Quoting from the language specs:Iota Within a constant declaration, the predeclared identifier iota represents successive untyped integer constants. It is reset to 0 whenever the reserved word const appears in the source and increments after each ConstSpec. It can be used to construct a set of related constants: const ( // iota is reset to … Read more