function argument 'shorthand'

[Derek Parnell]

On Mon, 22 May 2006 19:30:45 -0700, Walter Bright wrote:

> Dave wrote:
>> Couldn't find this in the archive, so I don't know if it's been discussed
>> before.
>> 
>> One of the things I like about Pascal is that you can specify function arguments
>> of the same type w/o repeating the type. So, in D we could:
>> 
>> int foo(int x, y, z) // y and z are type int
>> {}
>> 
>> int bar(int x = 1, y = 2, z = 3) // y and z are type int
>> {}
>> 
>> void baz(int x, y, double d, f = 3.14159)  // y is an int, f is a double
>> {}
>> 
>> Thoughts?
> 
> It has grammatical ambiguities. Consider:
> 
> int foo(int x, y);
> 
> Is the second a declaration of y of type int, or is it a parameter of 
> type y?

Aside from the suggested syntax, what do you think about the concept,
Walter? 

-- 
Derek
(skype: derek.j.parnell)
Melbourne, Australia
"Down with mediocracy!"
23/05/2006 12:46:33 PM