exercism/cpp/ellens-alien-game/HINTS.md

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# Hints
## 1. Create the `Alien` Class
- The `constructor` does not have a return type and has the same name as the `class`.
- A common convention for `classes` is using names in __PascalCase__.
## 2. The `hit` Function
- Remember the invariant: health points can't be negative.
## 3. The `is_alive` Function
- life points at `0` is the only 'dead' condition.
## 4. The `teleport` Function
- Member variables can be updated by any function of the class.
## 5. The `collision_detection` Function
- All `public` member variables can be accessed from outside the class.