Compare basic characteristics of \b this with another TypeCode, not including the prototype - -1 or 1 if -this- and -op- are different in surface characteristics - 0 if they are exactly equal and have no parameters - 2 if they are equal on the surface, but additional comparisons must be made on parameters \param op is the other data-type to compare to \return the comparison value
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nothing calls this directly
no test coverage detected