there's an even "prettier" version with let:
```
b...
# randomk
kirillrakhman
01/29/2016, 3:07 PMthere's an even "prettier" version with let:
Copy code
b.let {
b = a
a = it
}7 Views
kirillrakhman
01/29/2016, 3:07 PMb.let {
b = a
a = it
}