C++ string and char promotion

Question

Say I know the incoming string s only contain one character and i have a data type char c

When I do s == c, does c auto converts to a string type or the other way around?

Answer 1

You can't do that, they are incompatible types. Something like this will work:

s[0] == c

Answer 2

No you cant use s ==c as s would refer to the address so you should be using

s[0]==c 

hope it helped