> Starting with words like 'functors' that most software engineers today will not be able to define is not useful. But the parent post https://news.ycombinator

> Starting with words like 'functors' that most software engineers today will not be able to define is not useful. But the parent post https://news.ycombinator.com/item?id=28476325 https://news.ycombinator.com/item?id=28476325 to which lmm was responding https://news.ycombinator.com/item?id=28476569 https://news.ycombinator.com/item?id=28476569 said "Wait, a functor is just a pure unary function?" If someone asks you the definition of a technical term, you sort of have to at least refer to the technical term.