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Scala Higher-Order Functions hose result is a function. For example in the following code, apply() function takes another function f and a value v and applies function f to v:
object Test {
def main(args: Array[String]) {
println( apply( layout, 10) )
}
<span>def apply(f: Int => String, v: Int) = f(v)
def layout[A](x: A) = "[" + x.toString() + "]"
}
When the above code is compiled and executed, it produces the following result:
C:/>scalac Test.scala
C:/>
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