How to initialize boost::asio::tcp::endpoint from IPv4 address string

This code will initialize a boost::asio::tcp::endpoint from a IPv4 address string ("127.0.0.1" as an exmple) and a port number (443 in this example)

boost::asio::ip::tcp::endpoint ep(
    boost::asio::ip::address::from_string("127.0.0.1"),
    443
);