Elements of Functional Programming
summary
Shows concrete Swift code using standard library tools: map and compactMap examples transform arrays to lengths strings and square roots, and parse strings to ints with nils dropped; demonstrates optional vs optional optional behavior and when to use flatMap; uses filter, first, reduce and the tuple-to-dictionary initializer to build counts; argues immutability and composability reduce state and make functions testable; claims shorter code becomes Swift's optimization problem and shows each example working as described.
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chapters (6)
- 0:00Start
- 1:36Quick Wins
- 2:35Functional Code Avoid States
- 5:53Map Internally to Swift
- 12:35Examples
- 14:49Muscle Memory
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