Functional Programming Without Succumbing to Fads
summary
Presents a pragmatic approach to functional programming using concrete Java code on GitHub: a CLI parser that parses doubles, handles errors with a custom Result type (Success/Error), and composes operations with link/links_and_wrap combinators (analogous to map/flatMap). Shows examples like Church numerals and sets-as-predicates, moves side effects to the program perimeter, and includes unit-tested, working code illustrating the composition pattern.
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chapters (9)
- 0:00Introduction and presentation
- 3:07History
- 7:33Why is it becoming fashionable now?
- 12:48What is a function?
- 17:00Benefits of modularity, composition, and local reasoning
- 21:55The example of a set
- 26:09Digression on typing
- 29:35Examples
- 37:54Conclusion
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