“Erlang promotes the least amount of error handling in favor of quickly crashing processes. To address error recovery, Erlang defines the concept a supervision tree—a hierarchy of watchdog processes whose only responsibility is to restart failed worker processes.”— Peter Hizalev, sameroom.io
“Erlang designers made a great tradeoff from the outset: immutability and single assignment (very uncommon in conventional programming languages), enforced by the VM.”— Peter Hizalev, sameroom.io