[TheCoelacanth]

Brainfuck is Turing-complete too. That doesn't make it usable.

[StefanKarpinski]

[gratimax shows you how to implement car, cdr and cons in brainfuck]

[gratimax]

brainfuck has no procedures, so no can do. :)

[StefanKarpinski]

Since Brainfuck is turing complete, this is untrue – you can emulate procedures and then define car, cdr and cons as emulation-level procedures.