internal CustomOperation(string operation, ConstantOperation constant)
{
Contract.RequiresNotEmpty(operation, $"Argument '{nameof(operation)}' is invalid.");
Contract.RequiresNotNull(constant, "operation != null");
Operation = operation;
Constant = constant;
}
public static CustomOperation Custom(string operation, ConstantOperation constant)
{
return(new CustomOperation(operation, constant));
}