...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Returns whether the connection negotiated the use of SSL or not.
bool uses_ssl() const;
This function can be used to determine whether you are using a SSL connection or not when using SSL negotiation.
This function always returns false
for connections that haven't been established yet. If the connection establishment
fails, the return value is undefined.
No-throw guarantee.