Generics in PowerShell

Author: alan-null

development/ps/generic.ps1

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+# Workaround to call to a generic method OfType<T>() in PowerShell, when PowerShell cannot figure out <T> from the context
+
+# Method 1 - using OfType<T> method
+[System.Linq.Enumerable]::OfType[int](@(1, 2, 'a'))
+
+# Method 2 - using reflection
+$method = [System.Linq.Enumerable].GetMethod('OfType')
+$genericMethod = $method.MakeGenericMethod([int])
+$genericMethod.Invoke($null, @(, @(1, 2, 'a')))
+
+# Example of using Distinct method
+[System.Linq.Enumerable]::Distinct([int[]]@(1, 2, 3, 1, 2))