[parenscript-devel] A PS version of NCONC

[Vladimir Sedach]

Check out runtime/ps-runtime-lib.lisp

All the runtime code gets put into a global variable
*ps-lisp-library*, which you can splice into or apply ps* or code
walk. It would be nice to have a better mechanism.

Vladimir

2010/3/3 Daniel Gackle <danielgackle at gmail.com>:
> I needed a destructive append to a JS array, so I wrote this version of
> NCONC for PS. It's primitive, but does what I need.
>
> (defun nconc (arr &rest arrs)
>     (when (and arr (> (length arr) 0))
>       (loop :for other :in arrs :when (and other (> (length other) 0)) :do
>         ((@ arr :splice :apply) arr
>          (append (list (length arr) (length other)) other))))
>     arr)
>
> I suppose this would naturally go in some kind of runtime library for PS.
> (We have quite a few utility functions that might belong there, in fact.)
> But I don't think there is one anymore. Should there be?
>
> Daniel
>
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