Chapter4/4.9_Class/UsingnNameSpace.ps1
using namespace System.Collections.Generic using namespace System.Linq using namespace System.Text [Enumerable]::Where(([List[int]](1..10)), [Func[int, bool]]{ param ([int] $p) return $p -eq 2 }) $range = [Enumerable]::Range(1,10) [Enumerable]::Where($range, [Func[int, bool]]{ param ([int] $p) return $p % 2 -eq 0 }) |