shrub/pub/doc/hoon/runes/bc/bcls.md
2015-06-19 17:16:48 -04:00

1.3 KiB

buclus $+ %bcls

Signature

$+ a tile for a gate which accepts p and produces q. $+ is similar to a function signature. $+(p q) is a %bark of a %weed, or $_(|+(p _q)).

Produces

Tile: $_(|+(p _q))

Sample

p is a tile q is a tile

Tall form

  $+  p  q

Wide form

  $+(p q)

Irregular form

None

Examples

  ++  sort                                                ::  quicksort
        ~/  %sort
        !:
        |*  [a=(list) b=$+([* *] ?)]
        =>  .(a ^.(homo a))
        |-  ^+  a
        ?~  a  ~
        %+  weld
          $(a (skim t.a |=(c=_i.a (b c i.a))))
        ^+  t.a
        [i.a $(a (skim t.a |=(c=_i.a !(b c i.a))))]

In ++sort, $+ is a tile for a comparator gate, which takes two nouns and produces a loobean.

~zod/try=> |=(a=@ (add 2 a))
<1.sgg [a=@ [[@da @ta] [@p @ta] *''] @n <246.qra 41.uuw 374.glo 100.rip 1.ypj %164>]>
~zod/try=> `$+(@ @)`|=(a=@ (add 2 a))
<1|crm [@ [[@da @ta] [@p @ta] *''] @n <246.qra 41.uuw 374.glo 100.rip 1.ypj %164>]>
~zod/try=> +<:|=(a=@ (add 2 a))
a=0
~zod/try=> +<:`$+(@ @)`|=(a=@ (add 2 a))
! -axis.6
! peek-park
! exit