The comments in this thread and the link to ltu in this thread talk about one of the simplest and most elegant solutions to the expression problem https://m.red

The comments in this thread and the link to ltu in this thread talk about one of the simplest and most elegant solutions to the expression problem https://m.reddit.com/r/haskell/comments/4gjf7g/is_solving_the_expression_problem_worth_the_bother/ https://m.reddit.com/r/haskell/comments/4gjf7g/is_solving_th...