[erlang-questions] "-define" in lfe?

[Raoul Duke]

> i don't know enough to be able to say what named things are important,
> unfortunately. my particular use case is that there's some erl code i
> wish to translate to lfe, and the erl version used "-define(...)", so
> i'd like to use whatever is appropriate in lfe to do the same thing.

p.s.: also, related maybe?, how would one do the equivalent of erl
?MODULE:loop() in lfe to allow for hot-swapping? thank you.