Erlang itself is, after all, implemented in C and ASM.
But what you can't (practically) implement yourself in other languages is all the professional care and maturity that have gone into the whole package over its long history. AFAICT, Erlang/OTP is much more than just a library.
But what you can't (practically) implement yourself in other languages is all the professional care and maturity that have gone into the whole package over its long history. AFAICT, Erlang/OTP is much more than just a library.