c# 4.0 - C# 'dynamic' keyword... is it really a RESERVED keyword or just a identifier that means something special when used as type? -

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I have a C # 4.0 parser. I accept 'dynamic' as a type of keyword. Trips on the statement found in working as a Crescent 3.0 program for my parser: 

  dynamic = & lt; Exp & gt; ;

So, is this really a keyword dynamic? Or can it still be used as an arbitrary identifier name? (If yes, why not 'int' is done in the same way)?

Is there any reference imaginable that explains what dynamic keywords are? There is no mention of 'dynamic' in the latest ECMA C # 4 specification, and the best on MS site can be called a "initial specification" which is a keyword, but I doubt it is just writing loose.

dynamic is a relevant keyword as C # 4.0. The fourth version of ECMA C # spec does not refer to C # 4.0. (Note to date 2006 publication.)

Describes this as a keyword.

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