---
name: "ACE_Iterator_Impl"
section: "3"
platform: "linux"
package: "libace-doc"
version: "5.0.7-4"
release: "Debian 2.2 (Potato)"
platforms: ["linux"]
url: "https://new.carta.tech/ACE_Iterator_Impl"
---

# ACE\_Iterator\_Impl(3)

Defines a abstract iterator.

## NAME

ACE\_Iterator\_Impl -  Defines a abstract iterator.

## SYNOPSIS

```
#include <ace/Map_T.h>
template<class T>
class ACE_Iterator_Impl
{
  public:
    virtual ~ACE_Iterator_Impl (void);
    virtual ACE_Iterator_Impl<T> *clone (void) const = 0;
    virtual int compare (const ACE_Iterator_Impl<T> &rhs) const = 0;
    virtual T dereference (void) const = 0;
    virtual void plus_plus (void) = 0;
    virtual void minus_minus (void) = 0;
};
```

## DESCRIPTION

Implementation to be provided by subclasses.

## PUBLIC MEMBERS

```
virtual ~ACE_Iterator_Impl (void);
```

Destructor.

```
virtual ACE_Iterator_Impl<T> *clone (void) const = 0;
```

Clone.

```
virtual int compare (const ACE_Iterator_Impl<T> &rhs) const = 0;
```

Comparison.

```
virtual T dereference (void) const = 0;
```

Dereference.

```
virtual void plus_plus (void) = 0;
```

Advance.

```
virtual void minus_minus (void) = 0;
```

Reverse.

## AUTHOR

Irfan Pyarali irfan@cs.wustl.edu

## LIBRARY

ace