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std::span<T,Extent>::empty

From cppreference.com
< cpp‎ | container‎ | span
 
C++
 
Containers library
 
std::span
 
constexpr bool empty() const noexcept;
 (since C++20)

Checks if the span is empty. Equivalent to return size() == 0;.

[edit] Return value

true if the span is empty; false otherwise.

[edit] Example

Run this code
#include <iomanip>
#include <iostream>
#include <span>
 
int main()
{
    std::span<const char> span{"ABCDEF"};
 
    while (!span.empty())
    {
        std::cout <<