Because currently only unused variable/constant declarations have
warnings/fix-its attached to them.
There have been some discussion on making non-void functions warn of unused
results
<https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20151207/001580.html>
and it’s possible that this would be in style with that.
Perhaps (basically) empty statements should also give a warning?
—Johan
On Mon, Dec 14, 2015 at 7:08 PM, Jens Persson via swift-dev <
swift-dev@swift.org> wrote:
> func ok() {
> let s = "see"; "Why are there exactly "
> 0 == 0 * 42
> "warnings and errors in this code"
> let t = s + "?"
> print(t)
> }
> ok() // see?
>
>
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