June 1, 2021

How to use closures in C#

Closures are often associated with functional programming languages. Closures connect a function to its referencing environment, allowing the function to access non-local variables. In C#, closures are supported using anonymous methods, lambda expressions, and delegates.

I have discussed anonymous methods and lambda expressions in previous articles. So what’s a delegate? A delegate is a type-safe function pointer that can reference a method that has the same signature as that of the delegate. Delegates are used to define callback methods and implement event handling.

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