urbit/base/pub/doc/hoon/runes/wt/wtzp.md

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2015-02-18 06:03:21 +03:00
[wutzap, `?!`, %wtzp](#wtzp)
============================
NOT
`?!` is a synthetic rune that produces the logical "not" of `p`.
Produces
--------
Twig: `[%wtzp p=twig]`
Sample
------
`p` is a [twig]().
Tall form
---------
?! p
Wide form
---------
?!(p)
Irregular form
--------------
!p
Examples
--------
~zod/try=> !&
%.n
~zod/try=> !|
%.y
~zod/try=> (gth 5 6)
%.n
~zod/try=> !(gth 5 6)
%.y
~zod/try=> !1
! type-fail
! exit