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#include <array>

#include <charconv>

#include <iostream>

#include <string_view>

int main()

{

std::array<char, 10> str{"42 xyz "};

int result;

if(auto [p, ec] = std::from_chars(str.data(), str.data()+str.size(), result);

ec == std::errc())

std::cout << result << "\n" "p -> \"" << p << "\"\n";

std::string_view sv{"24 abc "};

if(auto [p, ec] = std::from_chars(data(sv), data(sv)+size(sv), result);

ec == std::errc())

std::cout << result << "\n" "p -> \"" << p << "\"\n";

}