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Re: [Libguestfs] [PATCH v3 4/8] mllib: Add some imperative list manipulation functions.



On Thursday 07 July 2016 17:30:03 Richard W.M. Jones wrote:
> This adds imperative list manipulation functions inspired by Perl.
> The functions are passed list refs which get updated in place.
> 
> This allows us to replace some awkward pure functional code like:
> 
>   let xs = ys in
>   let xs = if foo then xs @ zs else xs in
> 
> with:
> 
>   let xs = ref ys in
>   if foo then append xs zs;
> ---

TBH I've always found the "shift" and "unshift" naming of Perl
functions slightly awkward, but can live with them. (At least the
new functions do the same as Perl ones.)

-- 
Pino Toscano

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