It is remarkable , that in the leading case cited as the foundation of the whole doctrine

A Libra woman seems to always be in love - either with her long term partner or with an ever-changing series of rotating lovers.

I see the air benighted And all the dusking dales, And lamps in England lighted,

Closures would be reassignable and templatizable, and of course used as values, leading to some ugly syntax without typedefs, but one could contemplate something along the following lines: […]