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Delegate Keyword vs. Lambda Notation: A Comparison
In many programming languages, delegates and lambda notations are used to define anonymous functions. Both constructs serve similar purposes, but they can differ in their implementation and usage. This article explores the similarities and differences between the delegate keyword and lambda notation, focusing specifically on the following question:
Is there any difference between the following two expressions after compilation:
delegate { x = 0; }
and
() => { x = 0; }
The Answer:
The short answer is: no. Both expressions, after compilation, will result in equivalent anonymous delegates. The two notations are interchangeable in this context and do not produce any significant differences.
Additional Considerations:
While the functional behavior of the two expressions is identical, there are some subtle nuances to consider:
Conclusion:
For the purpose of creating anonymous delegate functions, the delegate keyword and lambda notation are functionally equivalent. The choice between the two is primarily a matter of preference and style. However, it is important to understand the potential differences when working with expression trees and anonymous delegates in more complex scenarios.
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