[swift-evolution] Make non-void functions @warn_unused_result by default
dabrahams at apple.com
Fri Dec 18 14:25:56 CST 2015
> On Dec 18, 2015, at 3:47 AM, Tino Heth via swift-evolution <swift-evolution at swift.org> wrote:
>> _ = pop()
> Now that's what I'd call ugly - I vote against everything that forces me to use more underscores ;-)
“pop()” is an example of the comparatively-rare method that one might want to annotate to avoid the warning: the side-effect is useful even if you’re dropping the result. We’re only talking about making warn_unused_result the default, not making it the only option.
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