Function Template in c++

Function template c++

template<class T1 , class T2>
float fun(T1 a, T2 b){
    float avg2 = (a+b)/2.0;
    return avg2;
}

Wap in c++ to understand function template

// Declartion of functio template

template <class T>
T someFunction(T arg)
{
   ... .. ...
}

Source: programiz.com

Templates of templates c++

namespace std {
  template<typename t> struct hash<MyClass<t>>
  {
  	size_t operator() (const MyClass<t>& c) const;
  }
}

// You can also do things like

template<template<typename t> class type> func_name<type<t>>();

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Function Template in c++

// function template in c++#include <iostream>using namespace std;float funAvg(int a, int b){  float avg = (a+b)/2.0;  return avg;}float funAvg2(int a, float b){  float avg2 = (a+b)/2.0;  return avg2;}//function template in c++template<class T1 , class T2>
float fun(T1 a, T2 b){
    float avg2 = (a+b)/2.0;
    return avg2;
}int main(){   float a;  a = funAvg(22 , 7);  printf("The average of these number is %.3f ",a);  cout<<endl;  float a1;  a1 = funAvg2(11 , 8.6);  printf("The average of these number is %.3f ",a1);  cout<<endl;  // float T;  // T = fun(11 , 8.6f);  // printf("The average of these number is %.3f ",T);  // cout<<endl;  // ---------------------function template in c++-----------------  float T;  T = fun(11 , 98);  printf("The average of these number is %.3f ",T);  return 0;}

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