always panic on nil receivers and arguments
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Breaking Changes
Always panic on nil receivers and arguments; operations that previously tolerated nil with no-op will now panic (iteration, comparison, cloning/union, and serialization). -
Documentation
Clarified that table types must be used via pointers (not copied by value) and that nil receivers/arguments are forbidden and will trigger panics. -
Tests
Nil-receiver/arguments tests updated to expect panics and renamed to reflect nil-receiver/arguments focus.