C# 9.0 Pocket Reference by Joseph Albahari

Author:Joseph Albahari
Language: eng
Format: epub
Publisher: O'Reilly Media
Published: 2021-01-20T00:00:00+00:00

Anonymous Methods

Anonymous methods are a C# 2.0 feature that has been mostly subsumed by lambda expressions. An anonymous method is like a lambda expression except that it lacks implicitly typed parameters, expression syntax (an anonymous method must always be a statement block), and the ability to compile to an expression tree. To write an anonymous method, you include the delegate keyword followed (optionally) by a parameter declaration and then a method body. For example:

Transformer sqr = delegate (int x) {return x * x;}; Console.WriteLine (sqr(3)); // 9 delegate int Transformer (int i);

The first line is semantically equivalent to the following lambda expression:

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