#ifndef _QUEUE_H_
#define _QUEUE_H_

#include <stdbool.h>

typedef struct _Queue Queue;
typedef void (*QueueFreeFunc)(void*);

Queue* queue_new();
Queue* queue_new_full(QueueFreeFunc free);
void queue_destroy(Queue*);
void* queue_dequeue(Queue*);
void queue_enqueue(Queue*, void*);
void* queue_front(Queue*);
void* queue_back(Queue*);
void queue_clear(Queue*);
bool queue_empty(Queue*);
int queue_size(Queue*);

#endif