Which one of the following statements is
false?
The normal return value of
fp.tl (i.e., when no errors
occur) can always be used with no error as the
argument of fp.hd.
- The fp.hd function can
always be called with no error on the normal
return value of the fp.cons
function.
- The normal return value of
fp.tl (i.e., when no errors
occur) can always be used with no error as
the second argument of fp.cons.
- The fp.tl function can
always be called with no error on the normal
return value of the fp.cons
function.
Review the API
for fp.hd,
fp.tl,
and fp.cons.