Board manipulation was a difficult yet fun exercise, given Elixir's immutable state and lack of imperative control structures (notably for-loops). Changing the

Board manipulation was a difficult yet fun exercise, given Elixir's immutable state and lack of imperative control structures (notably for-loops). Changing the value of a single cell in a list of lists was tricky and undoubtedly much less efficient than in a language with even one of the two aforementioned mechanisms.