Functional programming in Elixir promotes immutability, higher-order functions, and clear data transformations, leading to more predictable and maintainable code.

Elixir is built on functional programming principles, which offer numerous benefits that enhance the quality and maintainability of code. One of the key advantages is immutability, which means that once a variable is assigned a value, it cannot be changed. This property prevents side effects, making it easier to reason about code and reducing bugs related to shared state. Additionally, functional programming encourages the use of higher-order functions—functions that can take other functions as arguments or return them as results. This flexibility enables developers to create more abstract and reusable code, promoting code reusability and modularity. In Elixir, developers can leverage features like pattern matching, recursion, and first-class functions to express complex logic concisely and clearly. This results in code that is often more straightforward to understand and maintain over time. Moreover, functional programming facilitates concurrency, as independent functions can be executed in parallel without interfering with each other, making Elixir a powerful choice for building scalable applications.