Is there a standard fun that return self when non-...

# announcements

[Simon Lin]

Is there a standard fun that return self when non-null or using the default?
for example:

val a: Int? = null
a.foo { 0 } // 0

val b: Int? = 1
b.foo { 0 } // 1

[spand]

Isnt it just the ?: operator? b ?: 0

[nkiesel]

and in a call chain .map { it ?: 0 }