本文整理汇总了C++中X::cbegin方法的典型用法代码示例。如果您正苦于以下问题：C++ X::cbegin方法的具体用法？C++ X::cbegin怎么用？C++ X::cbegin使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类X的用法示例。
在下文中一共展示了X::cbegin方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: container_test
void container_test(X& r, T const&)
{
typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
typedef BOOST_DEDUCED_TYPENAME X::const_iterator const_iterator;
typedef BOOST_DEDUCED_TYPENAME X::difference_type difference_type;
typedef BOOST_DEDUCED_TYPENAME X::size_type size_type;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_value<iterator>::type iterator_value_type;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_value<const_iterator>::type const_iterator_value_type;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_difference<iterator>::type iterator_difference_type;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_difference<const_iterator>::type const_iterator_difference_type;
typedef BOOST_DEDUCED_TYPENAME X::value_type value_type;
typedef BOOST_DEDUCED_TYPENAME X::reference reference;
typedef BOOST_DEDUCED_TYPENAME X::const_reference const_reference;
// value_type
BOOST_MPL_ASSERT((boost::is_same<T, value_type>));
boost::function_requires<boost::CopyConstructibleConcept<X> >();
// reference_type / const_reference_type
BOOST_MPL_ASSERT((boost::is_same<T&, reference>));
BOOST_MPL_ASSERT((boost::is_same<T const&, const_reference>));
// iterator
boost::function_requires<boost::InputIteratorConcept<iterator> >();
BOOST_MPL_ASSERT((boost::is_same<T, iterator_value_type>));
BOOST_MPL_ASSERT((boost::is_convertible<iterator, const_iterator>));
// const_iterator
boost::function_requires<boost::InputIteratorConcept<const_iterator> >();
BOOST_MPL_ASSERT((boost::is_same<T, const_iterator_value_type>));
// difference_type
BOOST_MPL_ASSERT((boost::mpl::bool_<
std::numeric_limits<difference_type>::is_signed>));
BOOST_MPL_ASSERT((boost::mpl::bool_<
std::numeric_limits<difference_type>::is_integer>));
BOOST_MPL_ASSERT((boost::is_same<difference_type,
iterator_difference_type>));
BOOST_MPL_ASSERT((boost::is_same<difference_type,
const_iterator_difference_type>));
// size_type
BOOST_MPL_ASSERT_NOT((boost::mpl::bool_<
std::numeric_limits<size_type>::is_signed>));
BOOST_MPL_ASSERT((boost::mpl::bool_<
std::numeric_limits<size_type>::is_integer>));
// size_type can represent any non-negative value type of difference_type
// I'm not sure about either of these tests...
size_type max_diff((std::numeric_limits<difference_type>::max)());
difference_type converted_diff(max_diff);
BOOST_TEST((std::numeric_limits<difference_type>::max)()
== converted_diff);
BOOST_TEST(
static_cast<comparison_type>(
(std::numeric_limits<size_type>::max)()) >
static_cast<comparison_type>(
(std::numeric_limits<difference_type>::max)()));
// I don't test the runtime post-conditions here.
X u;
BOOST_TEST(u.size() == 0);
BOOST_TEST(X().size() == 0);
X a,b;
sink(X(a));
X u2(a);
X u3 = a;
X* ptr = new X();
X& a1 = *ptr;
(&a1)->~X();
X const a_const;
test::check_return_type<iterator>::equals(a.begin());
test::check_return_type<const_iterator>::equals(a_const.begin());
test::check_return_type<const_iterator>::equals(a.cbegin());
test::check_return_type<const_iterator>::equals(a_const.cbegin());
test::check_return_type<iterator>::equals(a.end());
test::check_return_type<const_iterator>::equals(a_const.end());
test::check_return_type<const_iterator>::equals(a.cend());
test::check_return_type<const_iterator>::equals(a_const.cend());
a.swap(b);
test::check_return_type<X>::equals_ref(r = a);
test::check_return_type<size_type>::equals(a.size());
test::check_return_type<size_type>::equals(a.max_size());
test::check_return_type<bool>::convertible(a.empty());
// Allocator
//.........这里部分代码省略.........
示例2: unordered_test
void unordered_test(X&, Key& k, T& t, Hash& hf, Pred& eq)
{
typedef BOOST_DEDUCED_TYPENAME X::key_type key_type;
typedef BOOST_DEDUCED_TYPENAME X::hasher hasher;
typedef BOOST_DEDUCED_TYPENAME X::key_equal key_equal;
typedef BOOST_DEDUCED_TYPENAME X::size_type size_type;
typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
typedef BOOST_DEDUCED_TYPENAME X::const_iterator const_iterator;
typedef BOOST_DEDUCED_TYPENAME X::local_iterator local_iterator;
typedef BOOST_DEDUCED_TYPENAME X::const_local_iterator const_local_iterator;
typedef BOOST_DEDUCED_TYPENAME boost::BOOST_ITERATOR_CATEGORY<iterator>::type iterator_category;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_difference<iterator>::type iterator_difference;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_pointer<iterator>::type iterator_pointer;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_reference<iterator>::type iterator_reference;
typedef BOOST_DEDUCED_TYPENAME boost::BOOST_ITERATOR_CATEGORY<local_iterator>::type local_iterator_category;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_difference<local_iterator>::type local_iterator_difference;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_pointer<local_iterator>::type local_iterator_pointer;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_reference<local_iterator>::type local_iterator_reference;
typedef BOOST_DEDUCED_TYPENAME boost::BOOST_ITERATOR_CATEGORY<const_iterator>::type const_iterator_category;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_difference<const_iterator>::type const_iterator_difference;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_pointer<const_iterator>::type const_iterator_pointer;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_reference<const_iterator>::type const_iterator_reference;
typedef BOOST_DEDUCED_TYPENAME boost::BOOST_ITERATOR_CATEGORY<const_local_iterator>::type const_local_iterator_category;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_difference<const_local_iterator>::type const_local_iterator_difference;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_pointer<const_local_iterator>::type const_local_iterator_pointer;
typedef BOOST_DEDUCED_TYPENAME boost::iterator_reference<const_local_iterator>::type const_local_iterator_reference;
BOOST_MPL_ASSERT((boost::is_same<Key, key_type>));
boost::function_requires<boost::CopyConstructibleConcept<key_type> >();
boost::function_requires<boost::AssignableConcept<key_type> >();
BOOST_MPL_ASSERT((boost::is_same<Hash, hasher>));
test::check_return_type<std::size_t>::equals(hf(k));
BOOST_MPL_ASSERT((boost::is_same<Pred, key_equal>));
test::check_return_type<bool>::convertible(eq(k, k));
boost::function_requires<boost::InputIteratorConcept<local_iterator> >();
BOOST_MPL_ASSERT((boost::is_same<local_iterator_category, iterator_category>));
BOOST_MPL_ASSERT((boost::is_same<local_iterator_difference, iterator_difference>));
BOOST_MPL_ASSERT((boost::is_same<local_iterator_pointer, iterator_pointer>));
BOOST_MPL_ASSERT((boost::is_same<local_iterator_reference, iterator_reference>));
boost::function_requires<boost::InputIteratorConcept<const_local_iterator> >();
BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_category, const_iterator_category>));
BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_difference, const_iterator_difference>));
BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_pointer, const_iterator_pointer>));
BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_reference, const_iterator_reference>));
X(10, hf, eq);
X a(10, hf, eq);
X(10, hf);
X a2(10, hf);
X(10);
X a3(10);
X();
X a4;
BOOST_DEDUCED_TYPENAME X::value_type* i = 0;
BOOST_DEDUCED_TYPENAME X::value_type* j = 0;
X(i, j, 10, hf, eq);
X a5(i, j, 10, hf, eq);
X(i, j, 10, hf);
X a6(i, j, 10, hf);
X(i, j, 10);
X a7(i, j, 10);
X(i, j);
X a8(i, j);
X const b;
sink(X(b));
X a9(b);
a = b;
test::check_return_type<hasher>::equals(b.hash_function());
test::check_return_type<key_equal>::equals(b.key_eq());
const_iterator q = a.cbegin();
test::check_return_type<iterator>::equals(a.insert(q, t));
test::check_return_type<iterator>::equals(a.emplace_hint(q, t));
a.insert(i, j);
test::check_return_type<size_type>::equals(a.erase(k));
BOOST_TEST(a.empty());
if(a.empty()) {
a.insert(t);
q = a.cbegin();
test::check_return_type<iterator>::equals(a.erase(q));
}
const_iterator q1 = a.cbegin(), q2 = a.cend();
test::check_return_type<iterator>::equals(a.erase(q1, q2));
//.........这里部分代码省略.........