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I will keep it really simple,
How do I get expression tree out of lambda??
or from query expression ?
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From the above picture shows that Lambda expression is multiple times faster than the usual approach, as well it is memory efficient too. In the test application, both the simple and complex scenario can be tested using the combo box.
Easy-to-Use APIs and Libraries: An API designed using lambda expressions can be easier to use and support other API. Enables support for parallel processing: A lambda expression can also enable us to write parallel processing because every processor is a multi-core processor nowadays.
C# lambda expression is a syntax to create delegates or expression trees. It is a very powerful syntactic sugar making C# functional. In this part, “Lambda expression” simply means “C# lambda expression”. The native concept of lambda expression will be fully covered in later chapter.
You must assign the lambda to a different type:
// Gives you a delegate: Func<int, int> f = x => x * 2; // Gives you an expression tree: Expression<Func<int, int>> g = x => x * 2; The same goes for method arguments. However, once you've assigned such a lambda expression to a Func<> type, you can't get the expression tree back.
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