Benjamin Striegel wrote:
I heavily prefer using + to wrapping in parens. That said, what does ::Eq even mean? Is it possible to avert all this discussion by changing ::Eq to ..Eq or something? I've never seen this syntax used before.
FWIW the only two directly comparable scenarios I can think of are Java and Scala. Java uses `&` for this same purpose and (presumably) for this same reason. Scala uses `with`. I'd be fine with `+` or `&`.
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