array of delegates

[Alex via Digitalmars-d-learn]

On Thursday, 14 April 2016 at 06:27:29 UTC, Ali Çehreli wrote:
> On 04/13/2016 04:39 PM, Alex wrote:
>
> > import std.algorithm;
> > indarr.map!(a => partial!(sg, a));
>
> I think you want to generate a different delegate for each 
> element where the first argument to sg is the value of that 
> element (0, 1, etc.). Since the second element of sg is a 
> Props, you then want to call those delegates with a Props value 
> (e.g. Props.p1).
>
> The following works:
>
>     import std.algorithm;
>     auto mapped = indarr
>                   .map!(a => (Props p) => sg(a, p))
>                   .map!(d => d(Props.p1));
>
>     writeln(mapped);
>
> Ali

Yes exactly!
The idea is to save
auto mapped = indarr.map!(a => (Props p) => sg(a, p));
for later use and use it then
by mapped[someIndex](Props.p1) or mapped[someIndex](Props.p2) 
when needed.
Thank you very much! :)