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<body><div style="font-family:Arial;">Snipped quoted proposal so as to not break the mailing list… By and large, I'm in favor. I like the potential for bringing up Dictionary and Set up to the implementation quality of Array and String.<br></div>
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<div style="font-family:Arial;">I don't think `init(merging:resolvingCollisionsWith:)` et al hold their weight for inclusion in the language, unless some notable optimization opportunity can be surfaced out of it. Users frustrated at the lack of a `merge` in Swift want it to be opinionated and "just do the right thing," i.e., the same way as whatever other language they most recently used. A properly annotated and indented-to-be-beautiful use of the closure-based version will take up the same amount of code as doing the merge by hand with your custom condition. <br></div>
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<div id="sig40804545"><div class="signature"><span class="font" style="font-family:arial, sans-serif, sans-serif">Sincerely,</span><span class="font" style="font-family:arial, sans-serif, sans-serif"></span><br></div>
<div class="signature"><span class="font" style="font-family:arial, sans-serif, sans-serif"> Zachary Waldowski</span><span class="font" style="font-family:arial, sans-serif, sans-serif"></span><br></div>
<div class="signature"><span class="font" style="font-family:arial, sans-serif, sans-serif"> </span><a href="mailto:zach@waldowski.me"><span class="font" style="font-family:arial, sans-serif, sans-serif">zach@waldowski.me</span></a><br></div>
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