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erdi/move element to the begining of a list

Created November 7, 2011 16:39
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move element to the begining of a list
class A {
String value
}
def list = [new A(value: 'a'), new A(value: 'b'), new A(value: 'c'), new A(value: 'd')]
//we don't know the order and what is in list, we want to move object with value 'c' to the beggining of the list
def moved = list.find { it.value == 'c' }
list.remove(moved)
list.putAt(0, moved)
assert list.indexOf(moved) == 0
assert list.count(moved) == 1
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