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mohitanand001 / underscore_cpp

underscore_cpp
MIT License
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Implement count_by, similar to group_by #61

Closed mohitanand001 closed 6 years ago

mohitanand001 commented 6 years ago

count_by takes a function as an argument, and returns the number of elements in each different group specified by the function.

gubatron commented 6 years ago

now I can jump on this one.

mohitanand001 commented 6 years ago

Sure