feat(pass-style): Safe promises can override @@toStringTag with a string#1785
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feat(pass-style): Safe promises can override @@toStringTag with a string#1785
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#1781 demonstrates that the current endo (and it just so happens, the already-released endo) enables a passable promise to carry the string that @FUDCo needs to support testing. However, its way of carrying a string was terribly obtuse.
This PR implements part of the plan explained at #1781 (comment) . Specifically, to have passable promises follow the precedent of passable far objects and exos, which also allow them to override the inherited @@toStringTag property with an own data property carrying a string value. However, agoric-sdk would not be able to use this more pleasant way of carrying a string until it is upgraded to depend on an endo containing this PR.