as an example
```
open class Foo(val v: String = "...
# announcementsm
menegatti
03/02/2017, 1:47 PMas an example
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open class Foo(val v: String = "default")
data class Bar : Foo("Bar") //Data class must have one primary constructor parameter
data class Bar() : Foo("Bar") // Data class must have one primary constructor parameter