Purity & IO.
Encapsulating side effects
Haskell strictly separates pure functions from side effects. Effects are encapsulated in types like IO. Pure functions remain testable and predictable.
IO in the main function:
Pure function without effects:
Encapsulating side effects
Haskell strictly separates pure functions from side effects. Effects are encapsulated in types like IO. Pure functions remain testable and predictable.
IO in the main function:
Pure function without effects: