fold():-
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
Uses
initialValue
as the initial value, then iterates through the elements and updates the value with each element using thecombine
function.
Example:
void main() {
var nums = [1, 2, 3, 4, 5];
int sum = nums.fold(0, (previousValue, element) => previousValue + element);
print(sum);
}
15
Exited.