How to delete array element by its index?
in [Lisp]
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From: Ariel Badichi on 6 Mar 2010 17:17 On Mar 6, 10:24 pm, Slobodan Blazeski <slobodan.blaze...(a)gmail.com> wrote: > I have an adjustable array : > > > (setq foo (make-array 0 :element-type 'fixnum > > :fill-pointer 0 :adjustable t)) > ; added some elements> foo > > #(1 2 1 3 4 1 1 5 101) > > How to remove say third element? > See http://groups.google.com/group/comp.lang.lisp/msg/8b3d664e9db85dde where a sane definition of DELETE-NTH is given. There's no need to GENSYM or SUBSEQ anything. Ariel
From: Ariel Badichi on 6 Mar 2010 17:15 Slobodan Blazeski <slobodan.blazeski(a)gmail.com> writes: > I have an adjustable array : > >> (setq foo (make-array 0 :element-type 'fixnum > :fill-pointer 0 :adjustable t)) > ; added some elements >> foo > #(1 2 1 3 4 1 1 5 101) > > > How to remove say third element? > See http://groups.google.com/group/comp.lang.lisp/msg/8b3d664e9db85dde where a sane definition of DELETE-NTH is given. There's no need to GENSYM or SUBSEQ anything. Ariel
From: Ariel Badichi on 6 Mar 2010 17:14 Slobodan Blazeski <slobodan.blazeski(a)gmail.com> writes: > I have an adjustable array : > >> (setq foo (make-array 0 :element-type 'fixnum > :fill-pointer 0 :adjustable t)) > ; added some elements >> foo > #(1 2 1 3 4 1 1 5 101) > > > How to remove say third element? > See http://groups.google.com/group/comp.lang.lisp/msg/8b3d664e9db85dde where a sane definition of DELETE-NTH is given. There's no need to GENSYM or SUBSEQ anything. Ariel
From: Slobodan Blazeski on 6 Mar 2010 17:46
On Mar 6, 11:17 pm, Ariel Badichi <vermilionr...(a)gmail.com> wrote: > On Mar 6, 10:24 pm, Slobodan Blazeski <slobodan.blaze...(a)gmail.com> > wrote: > > > I have an adjustable array : > > > > (setq foo (make-array 0 :element-type 'fixnum > > > :fill-pointer 0 :adjustable t)) > > ; added some elements> foo > > > #(1 2 1 3 4 1 1 5 101) > > > How to remove say third element? > > Seehttp://groups.google.com/group/comp.lang.lisp/msg/8b3d664e9db85dde > where a sane definition of DELETE-NTH is given. There's no need to > GENSYM or SUBSEQ anything. > > Ariel Looks good thanks. Slobodan |