10.3 Exercises with yank
and nthcdr
- Using C-h v (
describe-variable
), look at the value of
your kill ring. Add several items to your kill ring; look at its
value again. Using M-y (yank-pop)
, move all the way
around the kill ring. How many items were in your kill ring? Find
the value of kill-ring-max
. Was your kill ring full, or could
you have kept more blocks of text within it?
- Using
nthcdr
and car
, construct a series of expressions
to return the first, second, third, and fourth elements of a list.