ZYCORE_VECTOR_SHOULD_SHRINK
if (ZYCORE_VECTOR_SHOULD_SHRINK(vector->size, vector->capacity, vector->shrink_threshold))
if (ZYCORE_VECTOR_SHOULD_SHRINK(vector->size, vector->capacity, vector->shrink_threshold))
ZYCORE_VECTOR_SHOULD_SHRINK(size, vector->capacity, vector->shrink_threshold))