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kotlinlang

```
MyObj ( var1 ?: return null, var2 ?: return null)
```
not sure that's ideal though

why not just
```
fun Foo.foo(): MyObj? =
  if (var1 != null &amp;&amp; var2 != null) MyObj(var1, var2) else null
```

If `var1` and `var2` are really vars here, they won't be smartcasted.

true, for that var1 and var2 should be assigned to local variables.

`MyObj ( var1 ?: return null, var2 ?: return null)` still seems to be the less verbose option