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// SFINAE, enable_if example
// based on http://stackoverflow.com/questions/257288/is-it-possible-to-write-a-c-template-to-check-for-a-functions-existence


#include <iostream>
#include <type_traits>

class ClassWithToString
{
public:

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#include <SDL2/SDL.h>

#define MUS_PATH "Roland-GR-1-Trumpet-C5.wav"

// prototype for our audio callback
// see the implementation for more information
void my_audio_callback(void *userdata, Uint8 *stream, int len);

// variable declarations
static Uint8 *audio_pos; // global pointer to the audio buffer to be played