Safer casts

[Yigal Chripun]

Janice Caron wrote:
> 2008/5/13 Yigal Chripun <yigal100 at gmail.com>:
>>  the main thing for me is the syntax:
>>  look at Nemerle, for example.
>>  Here's a snippet:
>>
>>  class MoreFunctions {
>>    static run_twice (f : int -> int, v : int) : int
>>    {
>>      f (f (v))
>>    }
>>
>>    static run_adder (x : int) : void
>>    {
>>      def f (y : int) : int { x + y }; // <==== this is a nested function
>>      System.Console.WriteLine ("{0}", run_twice (f, 1))
>>    }
>>
>>    public static Run () : void
>>    {
>>      run_adder (1);
>>      run_adder (2);
>>    }
>>   }
> 
> And the same thing in D:
> 
>     class MoreFunctions
>     {
>         static run_twice!(alias f)(int v)
>         {
>             f(f(v))
>         }
> 
>         static run_adder (x : int) : void
>         {
>             int f(int y) { return x + y; };
>             writefln("{0}", run_twice!(f)(1))
>         }
> 
>         void main()
>         {
>             run_adder(1);
>             run_adder(2);
>         }
>     }
> 
> What's your point?
exactly. the point was for Dee about other languages that provide the
same functionality.