[dualogy]

None of your explanations/examples counter the fact that you could also declare your anonymous-func just above your loop in a local, ie. `doit:= func(item...` and then simply `go doit(item)` in the loop. You get: a leaner terser loop to later have to read through, no iteration-scope "gotcha", no need to elaborately spell out explicit shadowings for what are naturally semantically really func "args" already/anyway, at worst identical cost (or better)..

But well, guess it comes down to subjective stylistic preferences here =)

> So that even if "do something" throws exception… err… panics… the file gets closed.

Your defer as placed in your above example is already scheduled to run always, even on a later panic. (After all, how else could one `recover` from a `panic` if it wasn't for `defer`?) I don't see the point of the double-closing at all here..

[knorker]

Yeah, I could declare it above. But it's subjectively harder to read, having to jump around. Like you say: subjective.

> Your defer as placed in your above example is already scheduled to run always

Yes, brainfart. Sorry. This is from a completely separate recommendation to defer a close (dropping error return), but also manually close so that closing errors can be surfaced. Matters for e.g. writing files (not so much reading), especially when you don't flush manually.