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at : T*
size : size_t

// Declare array type.
// This defines structure and declares functions.
EARRAY_DECLARE(name, type)

// declare int array
EARRAY_DECLARE(AInt, int)

// Define array type.
// This defines functions.
EARRAY_DEFINE(name, type)

// define int space
EARRAY_DEFINE(AInt, int)

// Open with static memory.
#_open(array, at, size)

// define array and char buffer
AInt o;
char buffer[32];

// open with buffer
AInt_open(&o, buffer, 32/sizeof(int));

// print size of array
printf("%zu", o.size);

// write 0x0BADB055 at last index
o.at[o.size-1] = 0x0BADB055;

// Open with heap memory.
#_openHeap(array, size)

// open of size 64
AInt_openHeap(&o, 64);

// print size of array
printf("%zu", o.size);

// write 0x600DB055 at last index
o.at[o.size-1] = 0x600DB055;

// Close, if opened with heap memory.
#_close(array)

// close array
AInt_close(&o);

// Resize if opened with heap memory.
#_resize(array, size)

// open of size 128
AInt_openHeap(&o, 128);

// resize to size 256
AInt_resize(&o, 256);

// print size of array
printf("%zu", o.size);

// close array
AInt_close(&o);