public static Operator CreateSubtraction <TIn1, TIn2, TResult>(BinaryOperatorCallback <TIn1, TIn2, TResult> eval)
where TIn1 : IMeasurement <TIn1>
where TIn2 : IMeasurement <TIn2>
where TResult : IMeasurement <TResult>
{
Validate.NonNull(eval, nameof(eval));
return(new BinaryOperator(
typeof(TIn1),
typeof(TIn2),
BinaryOperatorType.Subtraction,
(x, y) => InvokeBinaryOperator(x, y, eval)
));
}
private static object InvokeBinaryOperator <TIn1, TIn2, TResult>(object x, object y, BinaryOperatorCallback <TIn1, TIn2, TResult> eval)
where TIn1 : IMeasurement <TIn1> where TIn2 : IMeasurement <TIn2> where TResult : IMeasurement <TResult>
{
if (x is TIn1 in1 && y is TIn2 in2)
{
return(eval(in1, in2));
}
return(null);
}
