Aha, nice feature. However, J902 is still not available for Android.
On Wed, 20 Jan 2021, 17:14 Ric Sherlock, <[email protected]> wrote:
> {{ }} digraphs were introduced in j902
> https://code.jsoftware.com/wiki/System/ReleaseNotes/J902
> See
> https://code.jsoftware.com/wiki/Vocabulary/DirectDefinition
>
> On Wed, 20 Jan 2021, 22:32 Arnab Chakraborty, <[email protected]> wrote:
>
> > I could not find any doc on {{ and }} as Raul has used. Any pointer?
> >
> > On Tue, 19 Jan 2021, 22:26 Raul Miller, <[email protected]> wrote:
> >
> > > insertbefore=:{{
> > > 'a b'=. y
> > > (x{.b),a,x}.b
> > > }}
> > >
> > > insertafter=: {{ (x+1) insertbefore y }}
> > >
> > > 2 insertafter "1 [ 10;"1 n
> > > 0 1 2 10 3 4
> > > 5 6 7 10 8 9
> > >
> > > FYI,
> > >
> > > --
> > > Raul
> > >
> > > On Tue, Jan 19, 2021 at 11:51 AM Skip Cave <[email protected]>
> > > wrote:
> > > >
> > > > How does one design a verb that inserts specific elements into a
> vector
> > > or
> > > > matrix?
> > > >
> > > > For example, an "insertafter" verb would take one left argument,
> which
> > is
> > > > the index of the array that the element is to be inserted after. The
> > > right
> > > > argument would be two boxed nouns. The first boxed noun is the set to
> > be
> > > > inserted. The second boxed noun is the destination of the insertion.
> > > >
> > > > 2 insertafter 10;1 2 3 4 5
> > > >
> > > > 1 2 3 10 4 5
> > > > 2 insertafter 10 11;1 2 3 4 5
> > > > 1 2 3 10 11 4 5
> > > >
> > > > Also may need insertbefore:
> > > > 2 insertbefore 10;1 2 3 4 5
> > > >
> > > > 1 2 10 3 4 5
> > > > 2 insertbefore 10 11;1 2 3 4 5
> > > > 1 2 10 11 3 4 5
> > > >
> > > > Higher ranks?
> > > >
> > > > ]n=.2 5$i.10
> > > >
> > > > 0 1 2 3 4
> > > >
> > > > 5 6 7 8 9
> > > >
> > > > 2 insertafter "1 [ 10;n
> > > >
> > > > 0 1 2 10 3 4
> > > >
> > > > 5 6 7 10 8 9
> > > >
> > > >
> > > > What would the code for insertbefore verb look like?
> > > >
> > > >
> > > > Skip Cave
> > > > Cave Consulting LLC
> > > >
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