<Return in lambda expression> Hi, I’m working on l...

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Return in lambda expression
Hi,
I’m working on lambda expression
I wrote this code :
val calcul:(Int, Int)->Int={x: Int, y: Int -> val z = x+y
z}

exverything is OK
Now I try to use return as in the doc
val calcul:(Int, Int)->Int={x: Int, y: Int -> val z = x+y
return@calcul z}

I have got an error :
ERROR ‘return’ is not allowed here (Line_83.kts21)
Why this error?
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