InteriorAssign trait { a := b }

bluelightzero:

You could literally reject all feature requests by saying it was not a feature from the start, at which point, why even have this forum?

Well… we’re talking not about just any language feature, but specifically about new operators. New syntax like that has a higher bar for being considered, and thus it’s important to consider all potential downsides / counter-arguments. Also compare this document [in particular this section] for some more documented thoughts/principles, also touching on things like “new operators”.