slavapestov/factor — comment on commit 341d0bcf3c62fca4dbbd5498cd72e31e976cb53b
File: core/namespaces/namespaces.factor line 26
By jckarter:

It optimizes down to a slot access anyway, since the box value is folded down to an array. It would need a `declare` to optimize down in the nonliteral case whether it were an array or tuple, wouldn't it?