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Explore the fascinating journey of effectful programming in Haskell through this keynote presentation from the Haskell 2023 conference. Delve into the historical milestones that have shaped the landscape of handling computational effects in functional programming. Trace the evolution from the introduction of monads as a practical programming tool to the development of monad transformers for improved modularity. Examine the emergence of algebraic effects as an alternative framework and their extension into higher-order effects. Gain insights into the challenges of reconciling pure functional programming with real-world applications that require interaction with the outside world. Understand how these advancements have addressed the need for handling side effects like IO, state, and exceptions while maintaining the benefits of referential transparency and elegant reasoning about programs. Learn about the connections between different approaches to effects and their implications for modern Haskell programming.
