A Passable "tagged record" with semantics specific to the tag identified in
the [Symbol.toStringTag] property (such as 'copySet', 'copyBag',
or 'copyMap').
It must have a property with key equal to the PASS_STYLE export and
value 'tagged'
and no other properties except [Symbol.toStringTag] and payload.
A Passable "tagged record" with semantics specific to the tag identified in the
[Symbol.toStringTag]property (such as 'copySet', 'copyBag', or 'copyMap'). It must have a property with key equal to thePASS_STYLEexport and value 'tagged' and no other properties except[Symbol.toStringTag]andpayload.