C#

Scott Bruno wrote:

you could beg Microsoft to include useful things like proper preprocessor macros the next time they make a programming language

Guffa wrote:

It was a deliberate decision

George_George wrote:

Any comments?

public class A
{
    public A()
    {
    }
}

public class B : A
{
    public B(int i)
    {
    }
}

A a = new A(); // Compiles OK
B b1 = new B(5); // Compiles OK
B b2 = new B(); // Compile error: No overload for method 'B' takes '0' arguments

public class A
{
    public A(string s)
    {
    }
}

public class B : A
{
    public B(int i)
    {
    }
}

B b = new B(5); // Compile error: No overload for method 'A' takes '0' arguments

public class A
{
    public A(string s)
    {
    }
}

public class B : A
{
    public B(int i) : base(i.ToString())
    {
    }
}

B b = new B(5); // Compiles OK

public MyExceptionClass (SerializationInfo info, StreamingContext context)