SE-0203 — Rename Sequence.elementsEqual

[Erica_Sadun]

@saagarjha

I just took the time to read the proposal and glance through the discussion, and I thought I’d pitch an alternative that I didn’t see anyone else propose (maybe because it’s a dumb idea ). I think we should deprecate Sequence.elementsEqual(_:) and not rename it at all.

I don't think it's a dumb idea and I think it should be considered.

Sets are inherently unordered collections. Placing any guarantees at all about iteration order (outside of OrderedSet) may not be in line with the type's fundamental semantics.