TypeScript for Beginners - Functional Interfaces

This video tutorial introduces the concept of interfaces and their subscribers, focusing on functional interfaces. It guides viewers through creating a new file for functional interfaces, defining interface functions for addition and subtraction, and implementing these functions with variables. The tutorial emphasizes the importance of ensuring compliance with interface rules, highlighting potential issues with parameter types and the power of functional interfaces in maintaining correct function implementation.

Explain how to implement a function that complies with a defined functional interface.

What happens if the parameters of a function do not comply with the defined functional interface?