Re: find_from and match_from
- Posted by Derek Parnell <ddparnell at bigpond.com> Mar 21, 2007
- 676 views
Robert Craig wrote: nt system. > > However, even today, there are cases where a slice does > not result in a new sequence being written. e.g. > > x = x[a..b] > > will usually result in a simple update to the header > of sequence x, to show that it starts later, or ends > earlier (or both) in memory. Ok. So something like this might be a tad faster ...
function find_from_to(integer N, integer L, object a, sequence b) b = b[N .. L] L=find(a,b) if L then L += N-1 end if return L end function
-- Derek Parnell Melbourne, Australia Skype name: derek.j.parnell