That thing is good, it's just a bit of a pitty the titles are so undescriptive. For example a typical one (in other languages as well) like a closed-over loop v

That thing is good, it's just a bit of a pitty the titles are so undescriptive. For example a typical one (in other languages as well) like a closed-over loop variable having the value of the last iteration in the closure, is called "the sticky output function". Meaning if this weren't all on one page it would be hard if not impossible to find what you're looking for.