Declare const iterator accessors under another name.

Cython/Includes/libcpp/deque.pxd

@@ -12,8 +12,8 @@ cdef extern from "<deque>" namespace "std" nogil:
             iterator operator--()
             bint operator==(reverse_iterator)
             bint operator!=(reverse_iterator)
-        #cppclass const_iterator(iterator):
-        #    pass
+        cppclass const_iterator(iterator):
+            pass
         #cppclass const_reverse_iterator(reverse_iterator):
         #    pass
         deque() except +
@@ -34,11 +34,11 @@ cdef extern from "<deque>" namespace "std" nogil:
         T& at(size_t)
         T& back()
         iterator begin()
-        #const_iterator begin()
+        const_iterator const_begin "begin"()
         void clear()
         bint empty()
         iterator end()
-        #const_iterator end()
+        const_iterator const_end "end"()
         iterator erase(iterator)
         iterator erase(iterator, iterator)
         T& front()

Cython/Includes/libcpp/vector.pxd

@@ -24,8 +24,8 @@ cdef extern from "<vector>" namespace "std" nogil:
             bint operator>(reverse_iterator)
             bint operator<=(reverse_iterator)
             bint operator>=(reverse_iterator)
-        #cppclass const_iterator(iterator):
-        #    pass
+        cppclass const_iterator(iterator):
+            pass
         #cppclass const_reverse_iterator(reverse_iterator):
         #    pass
         vector() except +
@@ -46,12 +46,12 @@ cdef extern from "<vector>" namespace "std" nogil:
         T& at(size_t) except +
         T& back()
         iterator begin()
-        #const_iterator begin()
+        const_iterator const_begin "begin"()
         size_t capacity()
         void clear()
         bint empty()
         iterator end()
-        #const_iterator end()
+        const_iterator const_end "end"()
         iterator erase(iterator)
         iterator erase(iterator, iterator)
         T& front()
@@ -70,7 +70,7 @@ cdef extern from "<vector>" namespace "std" nogil:
         void resize(size_t, T&) except +
         size_t size()
         void swap(vector&)
-        
+
         # C++11 methods
         T* data()
         void shrink_to_fit()

tests/run/libcpp_all.pyx

 # tag: cpp
 
+import cython
+
 cimport libcpp
 
 cimport libcpp.deque
@@ -67,3 +69,23 @@ def test_vector_coercion(*args):
     for a in args:
         v.push_back(a)
     return [v[0][i] for i in range(v.size())]
+
+def test_const_vector(*args):
+    """
+    >>> test_const_vector(1.75)
+    [1.75]
+    >>> test_const_vector(1, 10, 100)
+    [1.0, 10.0, 100.0]
+    """
+    cdef vector[double] v
+    for a in args:
+        v.push_back(a)
+    return const_vector_to_list(v)
+
+cdef const_vector_to_list(const vector[double]& cv):
+    cdef vector[double].const_iterator iter = cv.const_begin()
+    cdef lst = []
+    while iter != cv.const_end():
+        lst.append(cython.operator.dereference(iter))
+        cython.operator.preincrement(iter)
+    return lst