Swift can compile `a b toString length` to ``` if a == null kotlinlang #announcements

Swift can compile `a?.b.toString().length` to ``` ...

wcaokaze

05/02/2018, 9:09 AM

Swift can compile

a?.b.toString().length

Copy code

if (a == null) {
  null
} else {
  a.b.toString().length
}

Czar

05/02/2018, 9:17 AM

in kotlin same behaviour is achived with

a?.let { it.b.toString().length }

which is much more obvious than hidden chain-break, IMHO

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