in this lambda `{ x: Int, y: Int -> x + y }` we...

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[poohbar]

in this lambda { x: Int, y: Int -> x + y } we can explicitly specify the type of parameters. Can we also specify the return type?

[Andreas Sinz]

poohbar: nope, its not possible to declare the return type of a lambda. you need to use the following syntax: ints.filter(fun(item) = item > 0) https://kotlinlang.org/docs/reference/lambdas.html#anonymous-functions