closures

// closure sin argumentos
def hola = {println "hola"}
hola()

// closure con un sólo argumento
def saludo = {println "hola $it"}
saludo("Fátima")

// closure con dos argumentos
def printSum = { a, b -> println a+b }
printSum( 5, 7 )

// closure con variables libres
def a = 10
def sum10 = { it + a}
println sum10(5)

// this, owner & delegate

class Class1 {
    def closure = {
        println this.class.name
        println delegate.class.name
        def nestedClos = {
            println owner.class.name
        }
        nestedClos()
    }
}
def clos = new Class1().closure
clos.delegate = this
clos()