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Functional Programming in Kotlin for Android Developers
The document provides an overview of functional programming in Kotlin, emphasizing its core principles such as immutability, pure functions, and declarative approaches. It contrasts functional programming with imperative programming and introduces advanced concepts like function composition and currying. Additionally, it discusses the benefits of using functional programming in Android development, including improved code readability, maintainability, and reduced risk of bugs.
Functional Programming in Kotlin for Android Developers
- 1. Functional Programming in Kotlin forAndroid Devs
- 2. What is FunctionalProgramming? ● Built by composing Pure Functions ● Like math: f(x) = y ○ no changing data once it's set ○ just using functions to get results ● Emphasizes Immutability ● Avoids changing states and mutable data
- 3. Functional vs. ImperativeProgramming Functional Programming: ● Emphasizes declarative approaches (what to do) ● Functions and Immutability Imperative Programming: ● focuses on step-by-step Instructions (how to do) ● Mutable State
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- 5. Pure Functions ● Givesthe same output for the same input every time ● Doesn’t change anything outside of it.
- 6. First-Class and Higher-OrderFunctions ● Take functions as parameters / Return functions as results ● A powerful way to abstract and reuse code
- 7. Immutability ● Once created,doesn’t change
- 8. Recursion ● Calls itself ●Used to solve problems neatly
- 9. Closures ● Capture thestate from where they were created ● Lambdas & Anonymous functions in Kotlin
- 10. Tuples ● A pieceof data that cannot be changed after creation
- 11. Tuples ● A pieceof data that cannot be changed after creation
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- 13. Function Composition ● Combinesimple functions to build complex operations.
- 14. Currying ● Transforming afunction that takes multiple arguments into a series of functions that take one argument each.
- 15. Memoization ● Caching thefunction output for same inputs
- 16. Lazy Evaluation ● Delayinginitialization until needed
- 17. Pattern matching ● Allowschecking a value against a pattern ● Deconstruct and extract the data
- 18. Monads ● Help manageside effect ● Provides chain computations
- 20. Benefits of Functional Programming inAndroid Development
- 21. More readable andmaintainable code
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- 23. Less risk ofbugs
- 24. Practical Tips andBest Practices
- 25. Practical Tips andBest Practices ● Start small and isolated ● Use immutable data structure ● Kotlin stdlib ● Side effects
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- 27. LIKE SHARE Comment: 1. Yourexperience using FP 2. Your additional tips