1. Parse, Don’t Validate
2. Make Illegal States Unrepresentable
3. Errors as values
4. Functional Core, Imperative Shell
5. Smart Constructor
Repeat daily in front of a mirror for 2 minutes.
1. Parse, Don’t Validate
2. Make Illegal States Unrepresentable
3. Errors as values
4. Functional Core, Imperative Shell
5. Smart Constructor
Repeat daily in front of a mirror for 2 minutes.