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Added doctest for map function in rdd.py #177

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Added doctest for map function in rdd.py #177

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Added doctest for map function in rdd.py 
Doctest added for map in rdd.py
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@jyotiska
jyotiska committed Mar 19, 2014
commit a38527fce73ce4744ca10e5376c4b6fe2c2ff93b
4 changes: 4 additions & 0 deletions python/pyspark/rdd.py
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Expand Up @@ -180,6 +180,10 @@ def getCheckpointFile(self):
def map(self, f, preservesPartitioning=False):
"""
Return a new RDD by applying a function to each element of this RDD.

>>> rdd = sc.parallelize(["b", "a", "c"])
>>> sorted(rdd.map(lambda x: (x, 1)).collect())
[('a', 1), ('b', 1), ('c', 1)]
"""
def func(split, iterator): return imap(f, iterator)
return PipelinedRDD(self, func, preservesPartitioning)
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