Gist as reply for https://devstyle.pl/2018/04/30/jak-i-po-co-pisac-funkcyjnie-w-c-sharp
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//Type inference, global variable and function as object | |
var x = fun(x:Int, y:Int): Int { | |
return x + y | |
} | |
//Top level functions | |
fun main(args: Array<String>) { | |
println("Hello world") | |
} | |
//Function as parameter and expression-bodied methods | |
fun adding(a: Int, b: Int, addingFunction: (Int, Int) -> Int) = addingFunction.invoke(a, b) | |
fun example1() { | |
//Nested functions | |
fun increment(i: Int, incrementFunction: (i: Int) -> Int) = incrementFunction.invoke(i) | |
//Beautiful notation | |
val incrementedValue = increment(1) { it + 1 } | |
} | |
//Returning functions | |
fun returningFunction() = fun(s: String) = s.length |
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