Fighting compiler - experienced programmer but D novice

[Charles Parker via Digitalmars-d-learn]

On Tuesday, 3 June 2014 at 03:35:46 UTC, Chris Cain wrote:
> On Tuesday, 3 June 2014 at 03:17:10 UTC, Charles Parker wrote:
>> ...
>> Thanx for any help - Charlie
>
> Well one thing is that you don't need the type parameters on the
> this function. You're basically creating a templated this inside
> the templated class which is not what you want.
>
> try this:
>
>      class node(D, E) {
>          int nid;
>          D data;
>          E[] in_edges; // All edges for undirected graphs go 
> here.
>          E[] out_edges; // Only used by directed graphs
>
>          this(D data, int n) {
>              this.data = data;
>              nid = n;
>              in_edges = new E[];
>              out_edges = new E[];
>          }
>
> Another thing is that you're missing the ! to instantiate
>
>                         v
>      auto fee = new node!(string, u_edge)("Suck Moose", 1);
>                         ^
Chris, that was it I needed to do both things. It then complained
about trying to allocate the in_edges and out_edges arrays in the
constructor which is how I thought dynamic arrays are allocated
on the heap. I removed the 2 new statements, and both compile and
execution of my initial test worked.

Thanx - Charlie