Allow empty field function arguments for default?

[Jacob Carlborg]

On 2012-04-19 16:13, ixid wrote:
> I put this here because it's probably a flawed idea. A 'learn' level
> suggestion.
>
> At present function arguments that you want to default must go at the
> end like so:
>
> int fun(int a = 1, int b = 2, int c = 3)
> {
> return a + b + c;
> }
>
> fun(4); //Modifies a
>
> where the default fields can only be fields after any argument provided.
> Why not allow something like:
>
> fun( , 4, ); //Modifies b
> fun( , , 5); //Modifies c
>
> for when you want to call fun with other fields not being default? This
> would seem more flexible and pretty clear what is intended.

Named arguments would probably be better for this.

fun(c = 5);

-- 
/Jacob Carlborg