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on 8/28/2008 1:57 PM
Expression trees are one of the more powerful features of C#. They let you manipulate code in ways that almost remind you of LISP macros (but at runtime instead of compile time). Since I discovered them, I managed to eliminate almost completely the usage of reflection in my code, replacing it with much faster code using techniques similar to what Roger Alsing described in Linq Expressions - Creating objects. Expression trees also made possible something that I find myself using a lot these days: what Jom[...]