Yes, and I don't know if there is any particular reason why the == operator
for Int doesn't have @warn_unused_result while the one for Doubles has:
func f() { 1 == 2 } // OK
func g() { 1.0 == 2.0 } // Warning: Result of call '==' is unused
On Mon, Dec 14, 2015 at 7:40 PM, Johan Jensen <[email protected]> wrote:
> 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 <
> [email protected]> 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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