/// <summary>
/// Construction of elements
/// with a dynamic element (not working in constructor's function)
/// </summary>
/// <param name="type">value type</param>
/// <param name="op">operator</param>
/// <param name="value">value</param>
/// <param name="owner">owner object</param>
protected void Construct(byte type, char op, dynamic value, IArithmetic owner)
{
this[typeValueName] = type;
this[arithmeticOperatorName] = op;
this[valueName] = value;
this[hashCodeName] = owner.GetHashCode();
this.ownerObject = owner;
owner.Fetch += Owner_Fetch;
owner.Unfetch += Owner_Unfetch;
}