ah right suddenly clicked why a function has to be `(&self) -> Option<&T>`, and not return `Option<T>`, if `T` is part of `self`
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oh is this why match ergonomics are a thing? I did not understand that on first read-through
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https://github.com/diesel-rs/diesel/pull/1578/files … was a before/after of the feature when it was still theoretical. Take from it what you will.
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It's nice in the places it let me remove `ref`s that I didn't care about and it knew I meant anyway. It's confusing in places its used to implicitly return a ref
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