total functional programming

Total functional programming is a programming style where functions are designed to always produce the same output for the same inputs and never cause side effects like changing data or interacting with the outside world. This approach makes programs more predictable, easier to test, and robust. It emphasizes immutability (unchanging data) and pure functions, leading to code that is more reliable and maintainable. Think of it as building software with mathematical functions that compute results without altering anything outside their scope, ensuring consistency and clarity throughout the system.