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Categories / C# / LINQ

 

A local variable instantiated within a lambda expression is unique per invocation of the delegate instance

using System; delegate int NumericSequence(); class Test {     static NumericSequence Natural() {         return () => { int seed = 0; return seed++; };     }     static void Main() {         NumericSequence natural = Natural();         Console.WriteLine(natural());         Console.WriteLine(natural());     } }