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 SWAP variable1, variable2
 
 Usage Notes
   ■ SWAP is an assignment statement that exchanges the values of two
     variables. See: ◄Assigning Values to Variables►
 
   ■ Any type of variable can be swapped (integer, long, single-precision,
     double-precision, string, currency, or user-defined). However, if the
     two variables are not exactly of the same type, Visual Basic generates
     the error message, "Type mismatch."