[Dancer-users] complex data structures in config.yml

[P Kishor]

On Mon, Aug 23, 2010 at 3:49 PM, P Kishor <punk.kish at gmail.com> wrote:
> I am trying to unsuccessfully move a couple of complex data structures
> to config.yml
>
> For example, I have the following in my Perl script
>
> @models = (
>  {id => 1, name => "Low carbon", palette => "black_blue", year => 1900},
>  {id => 2, name => "Low nitrogen", palette => "red_green", year => 1900},
>  {id => 3, name => "High water", palette => "yellow_red", year => 1900}
> );
>
> As far as I can tell, I can convert it to YAML like so
>
> models:
>        - model_id: 1
>          name: "Low carbon"
>          palette: "black_blue"
>          start_year: 1900
>        - model_id: 2
>          name: "Low nitrogen"
>          palette: "red_green"
>          start_year: 1900
>        - model_id: 3
>          name: "High water"
>          palette: "yellow_red"
>          start_year: 1900
>
> and then, in my Dancer code, I should be able to do
>
>    my @models = config->{models};
>
> or at least
>
>    my $models = config->{models};
>
> (I am not sure if I should get an array or an arrayref).
>
> In any case, I get the following error
>
> Error while loading /Users/punkish/Sites/app/app.psgi: YAML Error:
> Stream does not end with newline character\n   Code:
> YAML_PARSE_ERR_NO_FINAL_NEWLINE\n
>
> Needless to say, I do have a final newline, so the error is
> misleading. What am I doing wrong? What can I do right?
>


Never mind.. it was user-error. There was a funky, invisible char in
my yaml file. It all works now. And, fwiw, config->{models} returns an
arrayref.

Puneet.