条件に当てはまらない要素を取得する（notFindAllの実装） | Codetter（こーどったー）

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Collection.metaClass.notFindAll = { clos ->
  delegate.groupBy(clos)[false]
}
def condition = { it == 2 }
def list = [1, 2, 3]
assert [2] == list.findAll(condition)
assert [1, 3] == list.notFindAll(condition)
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