Answers for "how does header files work in c++"

C++
3

c++ include header

#include "headerfile.h"
Posted by: Guest on April-01-2021
1

c++ header files example

//headers 
#ifndef TOOLS_hpp 
#define TOOLS_hpp
#include<vector> 
#include<iostream>
#include<fstream>
#include<string>
using std::ifstream;
using std::cout; 
using std::cin;
using std::endl;
using std::cerr;
using std::vector;
using std::string;
// functions prototypes 
inline vector<int> merge(const vector<int>&a,const vector<int>& b);//merge function prototype with Formal Parameters 
std::vector<int> sort(size_t start, size_t length, const std::vector<int>& vec);//sort function prototype with formal parameters 
#endif
Posted by: Guest on December-18-2020
0

how does header files work in c++

"It works by copying your entire header file into the file specifying"
"a #include. It then compiles your code after this copy and pasting."
Posted by: Guest on October-14-2021

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