4 ms·In 3.4 you can now do x.map { it + 3 }.sum which I'm still getting used toby phiiiillll 2y agoIn 3.4 you can now do x.map { it + 3 }.sum which I'm still getting used topmontra 2y agoEven the same customer has projects with Ruby ranging from 2.7 to 3.4 so I'm using the oldest possible syntax. The changes in keyword args hit hard some projects. Luckily not the one I'm working on most of my time.cies 2y agoYou also find `it` in Kotlin.