A closure is a function, whose return value depends on the value of one or more variables declared outside this function.
A closure also works as a variable.
Example 1:
val multiplier = (i:Int) => i * 10
Example 2:
var factor = 3
val multiplier = (i:Int) => i * factor
Example 3:
object Hello {
def main(args: Array[String]) {
println( "multiplier(1) value = " + processme(1) )
println( "multiplier(2) value = " + processme(2) )
}
var factor = 4
val processme = (i:Int) => i * (factor+1)
}
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