Even without auto you have the problem. return foo().bar(); No `auto` and you still don't know the return type of foo. And knowing the type might not be t

Even without auto you have the problem. return foo().bar(); No `auto` and you still don't know the return type of foo. And knowing the type might not be the only reason you'd want an IDE anyway. What is `foo()` doing? I want to be able to easily jump to the definition of that function to verify that the assumption taken by the calling function are correct.