/// <summary> /// Removes top stack item and puts it in alt-stack. Return value indicates success. /// </summary> /// <param name="opData">Data to use</param> /// <param name="error">Error message (null if sucessful, otherwise will contain information about the failure)</param> /// <returns>True if operation was successful, false if otherwise</returns> public override bool Run(IOpData opData, out string error) { if (opData.ItemCount < 1) { error = "There was not enough items left in the stack to copy to alt-stack."; return(false); } opData.AltPush(opData.Pop()); error = null; return(true); }
/// <summary> /// Removes top stack item and puts it in alt-stack. Return value indicates success. /// </summary> /// <param name="opData">Data to use</param> /// <param name="error">Error message (null if sucessful, otherwise will contain information about the failure)</param> /// <returns>True if operation was successful, false if otherwise</returns> public override bool Run(IOpData opData, out string error) { if (opData.ItemCount < 1) { error = Err.OpNotEnoughItems; return(false); } opData.AltPush(opData.Pop()); error = null; return(true); }