Bicycle

bicycle.ts

class Bicycle {
  constructor(public cadence: number, private _speed: number, public gear: number) {}
    
  speed = this._speed

  applyBrake = (decrement: number) => this._speed -= decrement

  sppedUp = (increment: number) => this._speed += increment

  toString = () => `Bicycle: ${this._speed} mph`    
}