Hello, I am working on a small library of *useful* (kinda) functions that add to c++, This is mainly for me, as i'm too lazy to write long functions to do a simple task like printing a new line.

I have these three files :

Header :

Code:
///////////////////////////////////////
// Name     : C-Flat header
// Author   : izder456
// License  : Simplified 2-Clause BSD
// Version  : a0.1
// Lauguage : C++ header
///////////////////////////////////////

namespace N
{
   class c-flat
   {
   public:
      //newline function
      void coutln();
      //length function of string
      int lens(char* s);
   };
};


implementation :

Code:
///////////////////////////////////////
// Name     : C-Flat library
// Author   : izder456
// License  : Simplified 2-Clause BSD
// Version  : a0.1
// Lauguage : C++
///////////////////////////////////////

#include <math.h>
#include <stdio.h>
#include <iostream>
#include <cstddef>
#include <type_traits>
#include "cf.h" // header in local directory
#include <iostream> // header in standard library
using namespace std;
using namespace N;

//newline function
void c-flat::coutln() {
   cout << endl;
}

//length function of string
int c-flat::lens(char * s) {
   char * t;
   int size = 0;
    for (t = s; *t != '\0'; t++) {
        size++;
    };
   return size;
}


& demo program :

Code:
///////////////////////////////////////
// Name     : C-Flat example program
// Author   : izder456
// License  : Simplified 2-Clause BSD
// Version  : a0.1
// Lauguage : C++ header
///////////////////////////////////////

#include <math.h>
#include <stdio.h>
#include <iostream>
#include <cstddef>
#include <type_traits>
#include "cf.h"
#include <iostream>
using namespace N;

int main() {
   c-flat cf;
   printf("line 1");
   cf.coutln();
   printf("line 3");
}


when I compile with clang++ main.cpp -std=c++19 -o main.exe

i get these errors :

Code:
In file included from main.cpp:14:
./cf.h:11:9: error: expected unqualified-id
        class c-flat
               ^
main.cpp:19:3: error: expected unqualified-id
        c-flat cf;
         ^
main.cpp:21:2: error: use of undeclared identifier 'cf'
        cf.coutln();
        ^
3 errors generated.


what am I doing wrong?
Class names cannot contain hyphens.
Now watch as Apple steals your code and makes money off it.
Nomkid wrote:
Now watch as Apple steals your code and makes money off it.

honestly i wouldn't care less

mateo wrote:
Class names cannot contain hyphens.

thanks! that fixed it!

One more question,
how do i set up this project for cmake, to make linking far easier...
https://github.com/Izder456/c-flat

never mind, i figured it out
  
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