Countable.h

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/* $Id: Countable.h 1151 2011-06-06 21:13:05Z bhagman $
||
|| @author         Alexander Brevig <abrevig@wiring.org.co>
|| @url            http://wiring.org.co/
|| @contribution   Brett Hagman <bhagman@wiring.org.co>
||
|| @description
|| | Base class for containers.
|| |
|| | Wiring Common API
|| #
||
|| @license Please see cores/Common/License.txt.
||
*/
 
#pragma once
 
template <typename T> class Countable
{
public:
    virtual ~Countable()
    {
    }
 
    virtual unsigned int count() const = 0;
 
    virtual const T& operator[](unsigned int) const = 0;
 
    virtual T& operator[](unsigned int) = 0;
 
    const T& at(unsigned int i) const
    {
        return operator[](i);
    }
};