CODEWITHSUNDEEP
c++
Opal Koren
Opal Koren

Reputation: 51

static enum ignore warning inside the class

I have a Class and this code inside:

public:
    static enum AnimalTypes {Mammals, Fish, Birds, Horse, MammalsFish, Flamingo, GoldFish, Mermaid};

but then i get this warning : 

Warning C4091 'static ': `ignored on left of 'const Zoo::AnimalTypes' when no variable is declared   Line 269`

what cause this problem?

Upvotes: 0

Views: 756

Answers (3)

ANjaNA
ANjaNA

Reputation: 1426

As I can see from your comments you are trying to declare a enumeration type AnimalTypes which can be used all the classes in your code.

For a globel enmu use as follows in a header file.

#ifndef HEADER_H
#define HEADER_H

enum AnimalTypes {Mammals, Fish, Birds, Horse, MammalsFish, Flamingo, GoldFish, Mermaid};

this can be access from any of your class,

AnimalTypes  at = Mammals;

But if you declare your enum inside the class, accessing style is bit different.

class Base
{
public:

enum AnimalTypes {Mammals, Fish, Birds, Horse, MammalsFish, Flamingo, GoldFish, Mermaid};
  ...
};

access style,

Base::AnimalTypes bat = Base::Mammals;

You should not use static to declare a enumeration type. But you can use it to declare class variable.

Upvotes: 1

Roee Gavirel
Roee Gavirel

Reputation: 19445

static - mean a class variable, rather than an instance variable.
const - mean a none mutable (a non-changeable) variable.
both not relevant for enum definition. enum is not a variable.

so it should be:

public:
    enum AnimalTypes {Mammals, Fish, Birds, Horse, MammalsFish, Flamingo, GoldFish, Mermaid};

Upvotes: 1

Sneftel
Sneftel

Reputation: 41474

You've got static const there which suggests that you're trying to declare a class member variable, but then you've also got enum AnimalTypes {...} which suggests you're trying to declare an enumeration type.

If you're trying to do the first thing (you're probably not), then put the variable name between the closing brace and the semicolon. If you're trying to declare an enumeration type, you should not have static const. Those keywords apply to variables, not to type declarations.

Upvotes: 0

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