Forwarding arguments through a std.algorithm.map

[Seb]

On Saturday, 10 March 2018 at 20:48:06 UTC, Nordlöw wrote:
> If I have a function
>
>     bool f(Rs...)(Rs rs)
>
> is it somehow possible to map and forward all its arguments 
> `rs` to another function
>
>     bool g(Rs...)(Rs rs);
>
> through a call to some map-and-forward-like-function 
> `forwardMap` in something like
>
>     bool f(Rs...)(Rs rs)
>     {
>         alias someArbitraryFun = _ => _;
>         return g(forwardMap!(someArbitraryFun)(rs));
>     }
>
> ?
>
> What should the definition of forwardMap look like?
>
> Does Phobos contain something like this already?

Not sure whether I understand what you are looking for, but 
std.functional is your friend here I think pipe/compose is the 
function you are searching for.

https://dlang.org/phobos/std_functional.html#forward
https://dlang.org/phobos/std_functional.html#partial
https://dlang.org/phobos/std_functional.html#pipe