Add Enum.sum/2
#11455
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Add Enum.sum/2
#11455
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The behaviour of new function is similar to `map/2` followed by `sum/1`. This behaves similarly to: - `Enum.all?/2` - `Enum.any?/2` - `Enum.count/2` - All `*_by/2` functions This should simplify a lot of cases when we want to sum values stored in nested manner like summing values in list of tuples, list of maps, or even in maps itself.
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Related: #11381 |
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Closed per the previous discussion. Thanks! |
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The behaviour of new function is similar to
map/2followed bysum/1.This behaves similarly to:
Enum.all?/2Enum.any?/2Enum.count/2*_by/2functionsThis should simplify a lot of cases when we want to sum values stored in nested manner like summing values in list of tuples, list of maps, or even in maps itself.