4 ms·

They are. You want to use iolists in Erlang. Constant time concatenation (which is useful) rather than constant time indexing into codepoints (which is not; and

by patrec 9y ago

They are. You want to use iolists in Erlang. Constant time concatenation (which is useful) rather than constant time indexing into codepoints (which is not; and erlang does not have BTW).