std::span<T,Extent>::operator[]
From cppreference.com
constexpr reference operator[](index_type idx) const; |
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Returns a reference to the idx
-th element of the sequence. The behavior is undefined if idx
is out of range (i.e., if it is greater than or equal to size()).
Parameters
idx | - | the index of the element to access |
Return value
A reference to the idx
-th element of the sequence, i.e., data()[idx]
Exceptions
(none)
See also
returns a pointer to the beginning of the sequence of elements (public member function) | |
returns the number of elements in the sequence (public member function) |