Creates a domain-specific currency conversion syntax using the ExpressionTransformer, the correct tool for multi-word patterns.

ID: 1225

See: Dynamic Syntax 
				
					using uCalcSoftware;

var uc = new uCalc();
// Use the ExpressionTransformer for multi-word syntax.
var t = uc.ExpressionTransformer;

// Note: Captured variables are passed to @Eval as text
// Double() converts the text to Double a precision value
uc.Format("Result = Format('{:.2f}', Double(Result))", uc.DataTypeOf("Double"));
t.FromTo("{@Number:amount} USD to EUR", "({@Eval: Double(amount) * 0.92})");
t.FromTo("{@Number:amount} EUR to USD", "({@Eval: Double(amount) / 0.92})");

Console.WriteLine($"100 USD is approx. {uc.EvalStr("100 USD to EUR")} EUR");
Console.WriteLine($"120 EUR is approx. {uc.EvalStr("120 EUR to USD")} USD");
				
			
100 USD is approx. 92.00 EUR
120 EUR is approx. 130.43 USD
Explore 600+ other examples
				
					#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   // Use the ExpressionTransformer for multi-word syntax.
   auto t = uc.ExpressionTransformer();

   // Note: Captured variables are passed to @Eval as text
   // Double() converts the text to Double a precision value
   uc.Format("Result = Format('{:.2f}', Double(Result))", uc.DataTypeOf("Double"));
   t.FromTo("{@Number:amount} USD to EUR", "({@Eval: Double(amount) * 0.92})");
   t.FromTo("{@Number:amount} EUR to USD", "({@Eval: Double(amount) / 0.92})");

   cout << "100 USD is approx. " << uc.EvalStr("100 USD to EUR") << " EUR" << endl;
   cout << "120 EUR is approx. " << uc.EvalStr("120 EUR to USD") << " USD" << endl;
}
				
			
100 USD is approx. 92.00 EUR
120 EUR is approx. 130.43 USD
Explore 600+ other examples
				
					Imports System
Imports uCalcSoftware
Public Module Program
   Public Sub Main()
      Dim uc As New uCalc()
      '// Use the ExpressionTransformer for multi-word syntax.
      Dim t = uc.ExpressionTransformer
      
      '// Note: Captured variables are passed to @Eval as text
      '// Double() converts the text to Double a precision value
      uc.Format("Result = Format('{:.2f}', Double(Result))", uc.DataTypeOf("Double"))
      t.FromTo("{@Number:amount} USD to EUR", "({@Eval: Double(amount) * 0.92})")
      t.FromTo("{@Number:amount} EUR to USD", "({@Eval: Double(amount) / 0.92})")
      
      Console.WriteLine($"100 USD is approx. {uc.EvalStr("100 USD to EUR")} EUR")
      Console.WriteLine($"120 EUR is approx. {uc.EvalStr("120 EUR to USD")} USD")
   End Sub
End Module
				
			
100 USD is approx. 92.00 EUR
120 EUR is approx. 130.43 USD
Explore 600+ other examples