类型数组 like$arrIntOnly = [Int[]]@(1, 2, 3)可用于确保所有元素都是有效类型，但是否可以定义多种类型，例如$arrIntOrString = [[Int | String][]]@(1, "two", 3)?
$arrIntOnly = [Int[]]@(1, 2, 3)
$arrIntOrString = [[Int | String][]]@(1, "two", 3)
powershell
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