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RNumList
averageOrNull method
averageOrNull method
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averageOrNull
method
num
?
averageOrNull
(
)
return the average of the list
return
null
if isEmpty
Implementation
num? averageOrNull() => isEmpty ? null : (sum() / length);
readable package
documentation
readable
RNumList
averageOrNull method
RNumList extension on
Iterable
<
num
>