pmt: Pairs

pmt.is_pair(pmt_t obj) → bool

pmt.cons(pmt_t x, pmt_t y) → pmt_t

pmt.car(pmt_t pair) → pmt_t

pmt.cdr(pmt_t pair) → pmt_t

pmt.set_car(pmt_t pair, pmt_t value)

pmt.set_cdr(pmt_t pair, pmt_t value)

pmt.caar(pmt_t pair) → pmt_t

pmt.cadddr(pmt_t pair) → pmt_t

pmt.caddr(pmt_t pair) → pmt_t

pmt.cadr(pmt_t pair) → pmt_t

pmt.cdar(pmt_t pair) → pmt_t

pmt.cddr(pmt_t pair) → pmt_t