Defining another function using the same callback address of existing one

ID: 5

See: FunctionAddress = [OpCallback], FunctionAddress(OpCallback) 
				
					using uCalcSoftware;

var uc = new uCalc();
uc.DefineFunction("MyRound(x)", uc.ItemOf("Floor").FunctionAddress);
Console.WriteLine(uc.Eval("MyRound(2.5)"));

uc.ItemOf("MyRound").SetFunctionAddress(uc.ItemOf("Ceil").FunctionAddress);
Console.WriteLine(uc.Eval("MyRound(2.5)"));
				
			
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					#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   uc.DefineFunction("MyRound(x)", uc.ItemOf("Floor").FunctionAddress());
   cout << uc.Eval("MyRound(2.5)") << endl;

   uc.ItemOf("MyRound").SetFunctionAddress(uc.ItemOf("Ceil").FunctionAddress());
   cout << uc.Eval("MyRound(2.5)") << endl;
}
				
			
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					Imports System
Imports uCalcSoftware
Public Module Program
   Public Sub Main()
      Dim uc As New uCalc()
      uc.DefineFunction("MyRound(x)", uc.ItemOf("Floor").FunctionAddress)
      Console.WriteLine(uc.Eval("MyRound(2.5)"))
      
      uc.ItemOf("MyRound").SetFunctionAddress(uc.ItemOf("Ceil").FunctionAddress)
      Console.WriteLine(uc.Eval("MyRound(2.5)"))
   End Sub
End Module
				
			
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