Re: A new paradigm for modifying operating system declarations

[Jan Wielkiewicz]

Dnia 2021-01-04, o godz. 15:38:38
raid5atemyhomework <raid5atemyhomework@protonmail.com> napisał(a):

> Hi guix-developers,

Hello.

> ```scheme
> (install-zfs
>   (operating-system
>     (kernel linux-libre-5.4)
>     ; ... other fields ...
>     ))
> ```

I don't like this way of nesting the OS declaration inside of any other
expression.
> 
> ```scheme
> (install-foo
>   (install-bar
>     (install-zfs
>        (operating-system
>           #;...))))

This makes it even worse.

> Which brings us back to the `decorate` form, which reduces nestedness:
> 
> ```scheme
> (decorate (install-foo
>            install-bar
>            install-zfs
>            operating-system)
>    #;...)

Better but still don't like it.
Can't we put the os declaration into a variable and then pass it to a
procedure?
Say:

> ```scheme
> (define OS
>   (operating-system
>     (kernel linux-libre-5.4)
>     ; ... other fields ...
>     ))
>
> (install-zfs OS)
> (install-foo OS)
> (install-bar OS)
> (install-something OS)
>
> ```

> Thanks
> raid5atemyhomework
> 

Jan Wielkiewicz