diff options
Diffstat (limited to 'Doc/lib')
| -rw-r--r-- | Doc/lib/libitertools.tex | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Doc/lib/libitertools.tex b/Doc/lib/libitertools.tex index e2f0f0e..362c589 100644 --- a/Doc/lib/libitertools.tex +++ b/Doc/lib/libitertools.tex @@ -117,7 +117,7 @@ by functions or loops that truncate the stream. Make an iterator that drops elements from the iterable as long as the predicate is true; afterwards, returns every element. Note, the iterator does not produce \emph{any} output until the predicate - is true, so it may have a lengthy start-up time. Equivalent to: + first becomes false, so it may have a lengthy start-up time. Equivalent to: \begin{verbatim} def dropwhile(predicate, iterable): @@ -509,8 +509,8 @@ def iteritems(mapping): return izip(mapping.iterkeys(), mapping.itervalues()) def nth(iterable, n): - "Returns the nth item or raise IndexError" - return list(islice(iterable, n, n+1))[0] + "Returns the nth item or raise StopIteration" + return islice(iterable, n, None).next() def all(seq, pred=None): "Returns True if pred(x) is true for every element in the iterable" |