Use the new array-conversion function

Author: Ezibenroc

pyroaring/abstract_bitmap.pxi

@@ -1162,13 +1162,9 @@ cdef class AbstractBitMap64:
         cdef array.array result = array.array('Q')
         array.resize(result, size)
         cdef uint64_t[:] buff = result
-        cdef croaring.roaring64_iterator_t *iterator = croaring.roaring64_iterator_create(self._c_bitmap)
-        assert croaring.roaring64_iterator_has_value(iterator)
-        assert croaring.roaring64_iterator_read(iterator, &buff[0], size) == size
-        croaring.roaring64_iterator_free(iterator)
+        croaring.roaring64_bitmap_to_uint64_array(self._c_bitmap, &buff[0])
         return result
 
-
     def copy(self):
         """
         Return a copy of a set.

pyroaring/croaring.pxd

@@ -129,6 +129,7 @@ cdef extern from "roaring.h":
     bool roaring64_bitmap_equals(const roaring64_bitmap_t *r1, const roaring64_bitmap_t *r2)
     bool roaring64_bitmap_is_subset(const roaring64_bitmap_t *r1, const roaring64_bitmap_t *r2)
     bool roaring64_bitmap_is_strict_subset(const roaring64_bitmap_t *r1, const roaring64_bitmap_t *r2)
+    void roaring64_bitmap_to_uint64_array(const roaring64_bitmap_t *r, uint64_t *out)
     roaring64_bitmap_t *roaring64_bitmap_and(const roaring64_bitmap_t *r1, const roaring64_bitmap_t *r2)
     uint64_t roaring64_bitmap_and_cardinality(const roaring64_bitmap_t *r1, const roaring64_bitmap_t *r2)
     void roaring64_bitmap_and_inplace(roaring64_bitmap_t *r1, const roaring64_bitmap_t *r2)