A Tour of Scala: Anonymous Function Syntax | The Scala Programming Language

A Tour of Scala: Anonymous Function Syntax | The Scala Programming Language

It is also possible to define functions with multiple parameters:

(x: Int, y: Int) => "(" + x + ", " + y + ")"  

or with no parameter:

() => { System.getProperty("user.dir") }  

There is also a very lightweight way to write function types. Here are the types of the three functions defined above:

Int => Int  (Int, Int) => String  () => String

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