[Python-checkins] python/dist/src/Doc/lib libitertools.tex,1.8,1.9

[rhettinger@users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Doc/lib
In directory sc8-pr-cvs1:/tmp/cvs-serv25408/Doc/lib

Modified Files:
	libitertools.tex 
Log Message:
The previous made the stop argument optional.
It is better to be explicit and just allow stop to be None.



Index: libitertools.tex
===================================================================
RCS file: /cvsroot/python/python/dist/src/Doc/lib/libitertools.tex,v
retrieving revision 1.8
retrieving revision 1.9
diff -C2 -d -r1.8 -r1.9
*** libitertools.tex	2 May 2003 19:04:37 -0000	1.8
--- libitertools.tex	2 May 2003 19:44:20 -0000	1.9
***************
*** 198,204 ****
    until start is reached.  Afterward, elements are returned consecutively
    unless \var{step} is set higher than one which results in items being
!   skipped.  If \var{stop} is not specified or is \code{None}, then iteration
!   continues indefinitely; otherwise, it stops at the specified position.
!   Unlike regular slicing,
    \function{islice()} does not support negative values for \var{start},
    \var{stop}, or \var{step}.  Can be used to extract related fields
--- 198,204 ----
    until start is reached.  Afterward, elements are returned consecutively
    unless \var{step} is set higher than one which results in items being
!   skipped.  If \var{stop} is \code{None}, then iteration continues until
!   the iterator is exhausted, if at all; otherwise, it stops at the specified
!   position.  Unlike regular slicing,
    \function{islice()} does not support negative values for \var{start},
    \var{stop}, or \var{step}.  Can be used to extract related fields
***************
*** 209,219 ****
    \begin{verbatim}
       def islice(iterable, *args):
!          if args:
!              s = slice(*args)
!              next = s.start or 0
!              stop = s.stop
!              step = s.step or 1
!          else:
!              next, stop, step = 0, None, 1
           for cnt, element in enumerate(iterable):
               if cnt < next:
--- 209,216 ----
    \begin{verbatim}
       def islice(iterable, *args):
!          s = slice(*args)
!          next = s.start or 0
!          stop = s.stop
!          step = s.step or 1
           for cnt, element in enumerate(iterable):
               if cnt < next: