urbit/base/pub/doc/hoon/runes/bc/bctr.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."
This reverts commit 8e1e40d75b3ab15c194b6bf9570f3edc46e2de58.
This reverts commit f073c490f9fd7c5abc033af4857df92229877de7.
This reverts commit f187d2d7e01a54823f3e979af9bbd148b398e7e9.
This reverts commit bc272862a73cfce1b118586ca39d3a377d841f1b.
This reverts commit 30a397513f8890a3406dc7ab91c6e067e3bbfbbb.
This reverts commit 4fc6856fb50d88c20a0f533392ca606641c5f38f.

Conflicts:
	urb/urbit.pill
	urb/zod/base/lib/drum.hoon
2015-06-15 18:10:02 -07:00

513 B

buctar $* %bctr

Default value

$*, is a synthetic rune that produces the bunt (default value) of a tile as a compile-time constant if possible. If it is not possible, then it is produced dynamically.

Produces

Twig: [%bctr p=tile]

Tall form

$*  p

Wide form

$*(p)

Irregular form

*p

Examples

~zod/try=> *@t
''
~zod/try=> *[@p @ux]
[~zod 0x0]
~zod/try=> *(list ,@)
~