``` var sum = 0 for item in items sum += item cost ``` is im kotlinlang #language-proposals

``` var sum = 0 for (item in items) { sum += ite...

orangy

02/07/2017, 9:03 PM

Copy code

var sum = 0
for (item in items) {
  sum += item.cost
}

is imperative, but it’s easy to undersand (let’s ignore we have

sumBy

for a while)