Method removeHandler

src/utils/Event.ts:28–33

(cb: Callback<EventType>)

    }

    public removeHandler(cb: Callback<EventType>): void {
        const idx = this._callbacks.lastIndexOf(cb);
        if (idx >= 0) {
            this._callbacks.splice(idx, 1);
        }
    }

    public async raise(...ev: EventType): Promise<void> {
        this._logger.debug("raise:", ...ev);