public static bool HasNegative(T data, Expression expression)
{
var visitor = new NegativeValueChecker <T>(data);
visitor.Visit(expression);
return(visitor._hasNegative);
}
static int Calcul <T>(T data, Expression <Func <T, int> > query)
{
if (NegativeValueChecker <T> .HasNegative(data, query))
{
return(0);
}
if (DivideByZeroChecker <T> .HasDivideByZero(data, query))
{
return(-1);
}
return(query.Compile().Invoke(data));
}
