Functional Programming for Swift Developers

• #1 - Pure Functions: The Same Answer, Every Time (by Luiz Barbosa)
• #2 - Side Effects: The Hidden Output Problem (by Luiz Barbosa)
• #3 - Co-Effects: The Hidden Input Problem (by Luiz Barbosa)
• #4 - About Bedbugs and Hidden Ninjas (by Luiz Barbosa)