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Illegal use of type 'void'

Started by JonathanO'Brien Jun 22, 2011 at 6:35 AM 4 replies 11.8k views

Original Post

Jun 22, 2011 at 6:35 AM

This error honestly makes no sense and is best explained by the code and compiler output.

When I code:


 
 #ifndef CLASSES_H
 #define CLASSES_H
 
 #include "SDL.h"
 
 class Player
 {
 private:
 //position and velocity variables
 SDL_Rect playerBox;
 int xVel, yVel;
 //animation frame
 int frame;
 
 public:
 //basic functions
 void handle_input;
 void move;
 void render;
 };
 
 #endif

The compiler returns:


 error C2182: 'handle_input' : illegal use of type 'void'
 error C2182: 'move' : illegal use of type 'void'
 error C2182: 'render' : illegal use of type 'void'

Thanks and I hope that you guys can help with this most peculiar error.

GregMichael

Jun 22, 2011 at 6:41 AM

Try this...

public:
void handle_input();
void move();
void render();

ArthY303

Jun 22, 2011 at 6:44 AM

Hello!

public:
//basic functions
void handle_input;
void move;
void render;

These are supposed to be functions. However, you don't specify their prototypes completely. You need to add the parameter list. If the functions
don't have parameters, just add empty parentheses.

Like so:

public:
//basic functions
void handle_input();
void move();
void render();

JonathanO'Brien

Jun 22, 2011 at 7:06 AM

0.0 Holy crap, I can't believe I did that. Sorry to waste your time...

rip-off

Jun 22, 2011 at 8:01 AM

If you had Googled the error code C2182, you would see that the compiler thinks you are declaring variables of type void. The compiler error message is a little poor, but then again they often are.

JonathanO'Brien

Jun 23, 2011 at 12:59 AM

If you had Googled the error code C2182, you would see that the compiler thinks you are declaring variables of type void. The compiler error message is a little poor, but then again they often are.

Thanks, I'll remember to google the error code rather than the text attached for future reference.

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