Apply element-wise to the elements of list and returns a list of the results, in order.
must be a list. The dynamic order in which is applied to the elements of is unspecified.
reverse .
must be a proper list.
destructively reverse .
must be a proper list.
(acons x y a) == (cons (cons x y) a)
locates element of list where the car is the ‘zeroth’ element.
returns the tail of that would be obtained by calling cdr times in succession.
Return the first sublist of whose car is . If does not occur in , then #f is returned. pmt::memq use pmt::eq to compare with the elements of .
Return the first sublist of whose car is . If does not occur in , then #f is returned. pmt::memv use pmt::eqv to compare with the elements of .
Return the first sublist of whose car is . If does not occur in , then #f is returned. pmt::member use pmt::equal to compare with the elements of .
Return true if every element of appears in , and false otherwise. Comparisons are done with pmt::eqv.
Return a list of length 1 containing .
Return a list of length 2 containing , .
Return a list of length 3 containing , , .
Return a list of length 4 containing , , , .
Return a list of length 5 containing , , , , .
Return a list of length 6 containing , , , , , .
Return with added to it.
Return with removed from it.
Return bool of contains .