undefined references

[uri via Digitalmars-d-learn]

On Monday, 11 August 2014 at 04:02:12 UTC, uri wrote:
> On Monday, 11 August 2014 at 03:12:45 UTC, Vlad Levenfeld wrote:
> [snip]
>
>> 	this (Elements...)(Elements elements)
>> 	if (Elements.length == length)
>> 	{
>> 		foreach (i, element; elements)
>> 			components[i] = element;
>> 	}
>> 	this (Element element)
>> 	{
>> 		components[] = element;
>> 	}
> [snip]
>
> The following gives an error in 2066
>
> struct S(F, size_t L)
> {
>     F[L] c;
>     this(E...)(E el)
>     if(E.length == L)
>     {
>         foreach(i, e; el) {
>             c[i]= e;
>         }
>     }
>     this(F e) {
>         c[0] = e;
>     }
> }
> void main()
> {
>     auto s = S!(double, 1)(1);
>     auto s = S!(double, 3)(1,2,3); // <-- ERROR: declaration 
> hacks.main.s is already defined
> }
>
>
> Cheers,
> uri

Bah, never mind me I'm having a moment !

The above example works in 2066 when the second 's' is renamed to 
s1, as does this:


auto s = S!(float, 1)(1); // eq: S!(float, 1)(1)
auto s1 = S!(float, 2)(1); // eq: S!(float, 2)(1,nan)
auto s2 = S!(float, 2)(1, 2) // eq: S!(float,2)(1,2)


Cheers,
uri