Eh. The point is to not handle things you don't need to. There is of course a point in handling special cases (like the ones you cited). But compare Erlang's de

Eh. The point is to not handle things you don't need to. There is of course a point in handling special cases (like the ones you cited). But compare Erlang's declarative & to-the-point style with Go's `…,err = …; err != nil` and you will quickly realise how much defensive programming sucks to read.