Re: Matlab-style empty output/input arguments support

[Olaf Till]

On Wed, Jan 27, 2010 at 01:03:19PM +0100, Jaroslav Hajek wrote:
> ...
> So we can now do:
> 
> octave:1> [~, y] = deal (1, 2);
> octave:2> who
> Variables in the current scope:
> 
> ans  y
> 
> octave:3> y
> y =  2
> octave:4> f = @(~, y) disp (y)
> f =
> 
> @(~, y) disp (y)
> 
> octave:5> f(1, 2)
>  2
> octave:8> function a = g (x, ~, y = 1), a = x+y; endfunction
> octave:9> g(1,2,3)
> ans =  4

This looks very nice to me. Just my 2 cents from the users point of
view:

> Should
> [c,d] = [a,~] = myfun (...)
> simply raise an error?

An error (element number 2 undefined in return list) would seem
logical to me. But I think one should be able to do something like

[d, ~, f] = [a, ~, c] = myfun (...)

Olaf