silverlight - C# @ symbol in variable names -

possible duplicate:
what placing @ in front of c# variable name do?

hi,

i justed picked on silverlight , ria services. while creating new domain service supports editing, following code generated in domain service class (c#):

  public void insertclass(class @class){         ...   } 

what significance of @ symbol in variable name?

class reserved word in c# denote new type. can't have variable name reserved word, use @ 'escape' symbol.

aka:

int int = 4; // invalid int @int = 4; // valid