in src/Proton.TestPeer/Matchers/Types/Primitives/Numbers.cs [59:74]
public static bool IsFixedPointNumeric(object value)
{
if (null != value)
{
if (value is byte) return true;
if (value is sbyte) return true;
if (value is int) return true;
if (value is uint) return true;
if (value is long) return true;
if (value is ulong) return true;
if (value is short) return true;
if (value is ushort) return true;
if (value is char) return true;
}
return false;
}