I have the same thing, but in the opposite direction: I can read recursion, map/filter/reduce/any kind of higher order function (even the wonky haskell ones, li

I have the same thing, but in the opposite direction: I can read recursion, map/filter/reduce/any kind of higher order function (even the wonky haskell ones, like traverse) just fine. But the moment I start seeing mutation, or for loops complex than a for each over a data structure (like nested ones, or while, or weird indexing) my brain completely shuts down. In my first professional job (F# developer) I had to look up how to write classes every time we created one (not often, to be fair). I think it's all a matter of habit and familiarity, although I'll admit that finding places that program functionally (where I'm most proficient) is really hard