The approach is so simple and trivial that it must have occurred to
people a hundred times over. Yet I do not find any other examples of
this. Whenever I google for church encoding the examples don't go beyond
church numerals.
Am I googling for the wrong keywords?
You might find "Typing Record Concatenation for Free"
interesting:
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.49.401
Claus
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