> less confusing way to do variable shadowing How is this less confusing? := vs = will either push a new variable on top of a stack of identically named variab

> less confusing way to do variable shadowing How is this less confusing? := vs = will either push a new variable on top of a stack of identically named variables, or change the content of the top element on that stack? Why would anyone want any of that? Shadow variables are usually associated with hard-to-find-bugs, (i.e. forgetting that there is already a variable named 'xyz' in the current scope) not some great feature we want more of..