3 ms·
HLists actually aren't _useless_ in practice. I know I've used shapeless to do some datatype-generic programming with them (deriving CSV rows from a case class
by whateveracct 7y ago
HLists actually aren't _useless_ in practice. I know I've used shapeless to do some datatype-generic programming with them (deriving CSV rows from a case class without reflection.)
Heterogenous unions are very similar and also extremely useful (multiple effects libraries build on top of them).