[PD] new vanilla list-abs: list-slice, list-value and more

[patco]

Hi,
 you might be interested by [list-build 5] that will output a list every
five items, it's attached




Le mardi 23 septembre 2008 à 02:22 -0700, Luke Iannini a écrit :
> Hallo,
> I continue to collect list-abs (among other things) in SVN under
> abstractions/senderfruit/, but I thought I'd highlight a few recent
> ones that I have found particularly handy as of late:
> 
> list-slice - the latest addition: works just like Python's slice
> notation, and thanks to list-splat, even accepts negative indices.
> [list-slice 2 -2] gives the list minus its first two and last two
> elements.  [list-slice 5 0] gives the 5th element (which is always
> Lelu) through the end of the list, or [list-slice 0 4] for the first 4
> elements (rapping, scratching, graffiti and breakin').
> 
> list-value and its brother list-value-extend: [value] for lists.  All
> same-named [list-value] objects always hold the same list, even newly
> created ones.
> list-value-extend is a handy shortcut that appends new values rather
> than replacing.  Both accept [clear( to clear their contents.
> 
> list-dripx is just like list-drip, except it drips "x" values at a
> time (e.g. [a b c d e f g h i( becomes [a b c( [d e f( [g h i(  )
> 
> list-proc-insert does decorating: cross connect it with a process to
> process incoming lists and then insert the results back into the
> original list.  For example, append the length of a list onto the
> original list (oh no, now it is creating paradoxes).  It has uses, I
> promise, I just can't remember them right now.
> 
> Finally, list-split-at, which simply splits a list every time it
> encounters a delimiter, so [a b * c d e * f(-[list-split-at *] gives
> [a b( [c d e( [f(.
> 
> This time, these are all thankfully French vanilla bean.  (well,
> except for [import] statements, feel free to strip them if you don't
> need them or make a dummy [import] object)
> 
> Cheers
> Luke
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