The pattern of returning tuples as a way to convey “the callee thinks the caller should use all of these values” is the same pattern I was toying with as an alternative Allocator interface here. My example in that thread doesn’t work exactly as I described it (since there are no closures in Zig 
), but I still think the idea is generally interesting, and I think using tuples to convey “all these values should be used” is a good idea.
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