Hi,
I'd like to add
3) Use `io!` in your side-effecting functions.
Since we should try to minimise side-effects to dedicated functions
and keep the rest of our program clean.
So in ClojureQL we have a `with-connection` macro, which expands to
something like (io! "Database interaction cannot ha
During the Clojure for Lispers talk in Boston (see clojure.blip.tv if
you want to watch it), someone asked Rich about enforcing the no-side-
effect rule in transactions. Rich answered that he couldn't do that,
because "I'm a dynamic language." (audience got a chuckle out of that
way of putting i
