class ClassWithAReallyLongName {
public:
class Iterator { /* ... */ };
Iterator end();
};
Defining the member end with a trailing return type:
auto ClassWithAReallyLongName::end() -> Iterator { return Iterator(); }
Defining the member end without a trailing return type:
Clas...
A lambda can only have a trailing return type; the leading return type syntax is not applicable to lambdas. Note that in many cases it is not necessary to specify a return type for a lambda at all.
struct Base {};
struct Derived1 : Base {};
struct Derived2 : Base {};
auto lambda = [](bool b) -&g...
