buccom `$,` %bccm

Normalizing gate, %clam

$, is a synthetic rune that produces a %leaf, a normalizing gate or clam for p. $, is used to ensure an input value fits a certain type: if it does match, the value is produced. If it doesn't, the default value for the desired type is produced.

Produces

Twig: [%bccm p=tile]

Sample

p is a tile

Tall form

$,  p

Wide form

None

Irregular form

,p

Examples

++  cord  ,@t                                           ::  text atom (UTF-8)

In ++cord, , creates a gate that validates atoms of the odor @t.

~zod/try=> (,[1 2] "ham")
[%1 %2]
~zod/try=> (,[@ 2] "ham")
[104 %2]
~zod/try=> (,~ %foo)
~
~zod/try=> (,~ [%ba %r])
~
~zod/try=> (,$%([%a @] [%b ^]) [%b 5])
[%b 0 0]
~zod/try=> (,$%([%a @] [%b ^]) [%a 5])
[%a 5]
~zod/try=> (,$%([%a @] [%b ^]) [%a 6 7])
[%a 0]
~zod/try=> (,$%([%a @] [%b ^]) [%b ~])
[%b 0 0]
~zod/try=> (,$%([%a @] [%b ^]) [%b "ame"])
[%b 97 [109 101 0]]

1.1 KiB Raw Blame History

buccom $, %bccm