Kevin Wan a87978568a fix #676 (#682) %!s(int64=4) %!d(string=hai) anos
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mapreduce.go a87978568a fix #676 (#682) %!s(int64=4) %!d(string=hai) anos
mapreduce_test.go 1cb17311dd add unit test for mapreduce %!s(int64=5) %!d(string=hai) anos