menu
readable package
documentation
readable.dart
RNumList
sumOrNull method
sumOrNull method
dark_mode
light_mode
sumOrNull
method
num
?
sumOrNull
(
)
return list summation
return
null
if list is empty
Implementation
num? sumOrNull() => isEmpty ? null : fold(0, (a, b) => a! + b);
readable package
documentation
readable
RNumList
sumOrNull method
RNumList extension on
Iterable
<
num
>