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std::deque::begin, std::deque::cbegin

From cppreference.com
iterator begin();
const_iterator begin() const;
const_iterator cbegin() const;
(since C++11)

Returns an iterator to the first element of the container.

Contents

[edit] Parameters

(none)

[edit] Return value

iterator to the first element

[edit] Exceptions

noexcept specification:  
noexcept
  (since C++11)

[edit] Complexity

Constant

[edit] See also

returns an iterator to the end
(public member function) [edit]