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Making The Methods And Properties Lookups Inside A Closure Be Resolved To The Delegate.

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        // The following code shows how methods and properties will be resolved to the delegate instead of the closure itself.

// creating a closure
def closure = {
    add "groovy"
    add "java"

// declaring a list
def list = []

// making the call methods inside closure be resolved to the list
closure.delegate = list
closure.resolveStrategy = Closure.DELEGATE_FIRST

// executing the closure

// now, the list was changed
list.each { println it }

// output 
// groovy
// java