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[Kotlin/en] Add when smartcast example (#2418)

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Sergey Mashkov 2016-10-05 14:34:08 +03:00 committed by ven
parent 2fa414912e
commit 98bb8f8432
1 changed files with 8 additions and 0 deletions
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@ -317,6 +317,14 @@ fun helloWorld(val name : String) {
println(smartCastExample(0)) // => false println(smartCastExample(0)) // => false
println(smartCastExample(true)) // => true println(smartCastExample(true)) // => true
// Smartcast also works with when block
fun smartCastWhenExample(x: Any) = when (x) {
is Boolean -> x
is Int -> x > 0
is String -> x.isNotEmpty()
else -> false
}
/* /*
Extensions are a way to add new functionality to a class. Extensions are a way to add new functionality to a class.
This is similar to C# extension methods. This is similar to C# extension methods.