Hows the syntax to getProperty dynamically?

Is thi开发者_如何学运维s possible and if, how?

item.foo = "moo"

def x = "foo"
item.[x] = "moo"

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I'm not sure I get your question, but...

def item = {
    def foo
}
def x = "foo"
item[x] = "moo"

assert item[x] == "moo"
assert item.foo == "moo"