generaciondecodigos@nereida:~/Lgroovy/closures$ cat -n closure2.groovy 1 #!/usr/bin/env groovy 2 class Example { 3 def limit 4 5 Example(limit) { 6 this.limit = limit 7 } 8 9 boolean validate(value) { 10 value.length() <= limit 11 } 12 } 13 14 first = new Example(6) 15 second = new Example(5) 16 17 firstClosure = first.&validate 18 19 words = ['long string', 'medium', 'short', 'tiny'] 20 21 println words.find(firstClosure) 22 println words.find(second.&validate)
def fibList = [1, 1, 2, 3, 5, 8, 13] assert fibList.find { it > 1 } == 2
reference.&somemethod
permite obtener una clausura a
partir de un método
generaciondecodigos@nereida:~/Lgroovy/closures$ ./closure2.groovy medium short
La construcción de clausuras a partir de métodos se limita a métodos de objeto (instance methods).