// ExampleApp.cpp
// In class example of generating versions of exchange()

#include "SortSearch.h"

int main()
{ int i=10, j=20;

  exchange(i,j);  // When the compiler gets to this line, it generates a concrete instance, 
		  //	with signature exchange(int,int). This version of exchange, with eltType<-int will have its code included in the object code
  double x=3.24,y=11.98;

  exchange(x,y);  // When the compiler gets to this line, it generates a concrete instance, with signature exchange(double,double). 
		  //	This version of exchange, with eltype<-double will have its code included in the object code

  exchange(i,x);  // When the compiler gets to this line, it can't generate a concrete instance, because eltType is unclear;
		  //   one parameter is int, the other double. No code can be generated for exchange(int,double)
}