Steven Giesel • 7/24/2021

Shorts: foreach on type without IEnumerable

This technical C# article explains a lesser-known language specification detail allowing foreach loops on types that expose a GetEnumerator method, even without implementing IEnumerable. It demonstrates the technique with custom classes and shows a C# 9+ extension method trick to use IEnumerator directly in foreach loops.

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#c #Extension Methods #Foreach