urbit/base/pub/doc/hoon/runes/dt/dttr.md
Anton Dyudin 6cbb6b060d Revert "remove docs for demo", "remove odds and ends", "demo network", "DEMO ONLY: root beak as %demo.", "DEMO ONLY: don't show doznec flapping.", "Prinrtf."
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Conflicts:
	urb/urbit.pill
	urb/zod/base/lib/drum.hoon
2015-06-15 18:10:02 -07:00

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dottar, .*, %dttr

Nock

.* is a natural hoon that calculates the nock of subject p and formula q. .* makes it possible to compute nock formulas in user space.

See also

Nock tutorial

Produces

Twig: [%dttr p=twig q=twig]

Sample

p is a twig. q is a twig.

Tall form

.*  p
q

Wide form

.*(p q)

Irregular form

None

Examples

~zod/try=> .*([20 30] [0 2])
20
~zod/try=> .*(33 [4 0 1])
34
~zod/try=> .*(|.(50) [9 2 0 1])
50
~zod/try=> .*(12 [7 [`1 [4 `1]] [`2 `3 `2]])
[12 13 12]
~zod/try=> .*(~ [5 1^4 [4 1^3]])
0
~zod/try=> .*(~ [5 1^5 [4 1^3]])
1

See the nock tutorial for further discussion of Nock.