DelegatesTo parameter

delegatesto2.groovy

class Foo {
    def foo() { println 'Called foo' }
}

@groovy.transform.CompileStatic
def with(Object target, @DelegatesTo(parameter='target') Closure arg) {
    arg.delegate = target
    arg()
}

@groovy.transform.CompileStatic
def test() {
    def obj = new Foo()
    with(obj) { foo() }
}
test()