Why isn't possible to have contravariant return types
89502
Bounding generics with 'super' keyword
151292
Missing return statement in a non-void method compiles
82558
Why function template cannot be partially specialized?
68872
What are the use cases for having a function return by const value for non-builtin type?
72306
How can I use covariant return types with smart pointers?
80447
Why covariance and contravariance do not support value type
122748
Lambda conversions with unclear return type and overload resolution
19118
Overloading by return type
99405
Why does C# limit the set of types that can be declared as const?
143598
Why is Multiple Inheritance not allowed in Java or C#?
14118
still confused about covariance and contravariance & in/out
150041
T must be contravariantly valid
31826
Does changing the return type of a function for a child type breaks binary compatibility?
29057
Why does std::unique_ptr operator* throw and operator-> does not throw?
104791
Why isn't it legal to convert "pointer to pointer to non-const" to a "pointer to pointer to const"
150298
Universal type tranformer in Haskell
22843
Why can't I use a type argument in a type parameter with multiple bounds?