<div dir="ltr">Not that it seems highly contested, but +1 from me as well.<div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div>Jacob<br></div></div></div></div>
<br><div class="gmail_quote">On Fri, Dec 18, 2015 at 2:01 PM, Janosch Hildebrand via swift-evolution <span dir="ltr"><<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>I am also strongly in favor of this proposal.</div><div><div><br></div><div>There are probably enough valid use cases for a <font face="Menlo">@suppress_unused_warning</font> but personally I don't think <font face="Menlo">pop()</font> is a great example.</div><div><br></div><div>I think a second method à la <font face="Menlo">dropFirst/Last/...</font> that returns <font face="Menlo">Void</font> would be better at communicating intent and allows <font face="Menlo">pop()</font> to retain the warning.</div><div><br></div><div>- Janosch</div><div><div class="h5"><div><br></div><blockquote type="cite"><div>On 18 Dec 2015, at 21:48, Erica Sadun via swift-evolution <<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>> wrote:</div><br><div><div style="word-wrap:break-word"><div>I vote +1 in favor of making warn_unused_result the default. It's simple, elegant, logical, functional, and will reduce stdlib clutter.</div><div><br></div><div>As for replacing it? Although I'd probably be okay with <font face="Courier">suppress_unused_warning</font>, please consider <font face="Courier">optional hey_no_worries_mate_on_unused</font>, <font face="Courier">unused_is_mellow</font>, or <font face="Courier">dont_harsh_my_unused</font>. Supporting <font face="Courier">_ = pop()</font> without further warning is icing on the cake, as it enables the behavior to be established at either the API or consuming end.</div><div><br></div><div>-- E</div><div><br></div><div><blockquote type="cite"><div>On Dec 18, 2015, at 1:25 PM, Dave Abrahams via swift-evolution <<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>> wrote:</div><div><div style="word-wrap:break-word"><br><blockquote type="cite">On Dec 18, 2015, at 3:47 AM, Tino Heth via swift-evolution <<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>> wrote:<br><br><blockquote type="cite">_ = pop()<br></blockquote><br>Now that's what I'd call ugly - I vote against everything that forces me to use more underscores ;-)<br></blockquote><div><br></div>“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 <i>default</i>, not making it the only option.<div><br><div>-Dave<br></div></div>
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