ԋgTddlmZddlmZmZddlmZedZedZddZ y) ) annotations)IterableIterator)TypeVarXYc#Kt||}d}d|}}|D]+}|s#|||k\r|} t|\}}|s |||k\r -y#t$rd}YwxYww)aVForward-fill interpolation Parameters ---------- x: Output x series. Must be monotonic ascending. xp: Input x series. Must be strictly monotonic ascending. fp: Input y series. If it contains more or less elements than xp, the two series will be clipped to the shortest one (like in :func:`zip`). left: Value to yield for x < xp[0] Yields ------ Forward-fill interpolated elements from fp matching x Examples -------- >>> list(ffill([0.5, 2.2, 2.3, 4.5], [1, 2, 3], "abc", "-")) ["-", "b", "b", "c"] FNT)zipnext StopIteration) xxpfpleftitxp_donexp1fp1xifp0s 5lib/python3.12/site-packages/distributed/itertools.pyffillr sz0 RBGTCs{bCiC 8Ss{bCi   !  s1#AAAAA AAAAN) r Iterable[X]rrrz Iterable[Y]rrreturnz Iterator[Y]) __future__rcollections.abcrrtypingrrrrrr s%". CL CL"r