std::array::at

reference       at( size_type pos );
(since C++11)
const_reference at( size_type pos ) const;
(since C++11)
(until C++14)
constexpr const_reference at( size_type pos ) const;
(since C++14)

Returns a reference to the element at specified location pos, with bounds checking.

If pos not within the range of the container, an exception of type std::out_of_range is thrown.

Parameters

pos - position of the element to return

Return value

Reference to the requested element.

Exceptions

std::out_of_range if !(pos < size()).

Complexity

Constant.

See also

access specified element
(public member function)
doc_CPP
2016-10-11 10:00:16
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