Added doctest for map function in rdd.py

Doctest added for map in rdd.py Author: Jyotiska NK <[email protected]> Closes apache#177 from jyotiska/pyspark_rdd_map_doctest and squashes the following commits: a38527f [Jyotiska NK] Added doctest for map function in rdd.py
yinxusen · Mar 19, 2014 · 67fa71c · 67fa71c
1 parent 79d07d6
commit 67fa71c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/python/pyspark/rdd.py b/python/pyspark/rdd.py
@@ -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)