public object Apply(object a, object b)
{
return(a switch {
// Integral types
byte bt => Byte?.Invoke(bt, Convert.ToByte(b)),
sbyte sb => SByte?.Invoke(sb, Convert.ToSByte(b)),
short sh => Short?.Invoke(sh, Convert.ToInt16(b)),
ushort ush => UShort?.Invoke(ush, Convert.ToUInt16(b)),
int i => Int?.Invoke(i, Convert.ToInt32(b)),
uint ui => UInt?.Invoke(ui, Convert.ToUInt32(b)),
long l => Long?.Invoke(l, Convert.ToInt64(b)),
ulong ul => ULong?.Invoke(ul, Convert.ToUInt64(b)),
float f => Float?.Invoke(f, Convert.ToSingle(b)),
double d => Double?.Invoke(d, Convert.ToDouble(b)),
decimal dec => Decimal?.Invoke(dec, Convert.ToDecimal(b)),
string str => String?.Invoke(str, Convert.ToString(b)),
DateTime dt => DateTime?.Invoke(dt, TimeUtils.TimeSpanOf(b)),
TimeSpan ts => TimeSpan?.Invoke(ts, b),
_ => throw new ArgumentException($"I don't know how to coercively operate on {a.GetType()} and {b.GetType()}!")
} ?? throw DoesNotApply(a, b));