std::span<T,Extent>::front
From cppreference.com
| constexpr reference front() const; |
||
Returns a reference to the first element in the span.
Calling front on an empty span results in undefined behavior.
Parameters
(none)
Return value
A reference to the first element.
Complexity
Constant
Notes
For a span c, the expression c.front() is equivalent to *c.begin().
Example
| This section is incomplete Reason: no example |
See also
| access the last element (public member function) |