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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
52 lines
977 B
Markdown
52 lines
977 B
Markdown
<h1><a name="bcbr"><code>bucbar $| %bcbr</code></a></h1>
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<div class="short">
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Atom or cell
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------------
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`$|` is a tile rune that produces a [`%reed`](), a tile whose [icon]()
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is a [fork]() between two nouns: an [atom]() of `tile` `p` and a cell of
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`tile` `q`. `$|` is similar to [`$?`](), but is more strict in that in
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only contains one atom tile and one cell tile.
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</div>
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<hr>
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</hr>
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### Produces
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[`Tile`](): `[%reed p=tile q=tile]`
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### Sample
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`p` is a [`tile`]() `q` is a [`tile`]()
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### Tall form
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$| p
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q
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### Wide form
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$|(p q)
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### Irregular form
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None
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### Examples
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~zod/try=> *$|(~ [~ u=@])
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~
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~zod/try=> :type; *$|(~ [~ u=@])
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~
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u(@)
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++ list |* a=_,* :: null-terminated list
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$|(~ [i=a t=(list a)]) ::
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In `++list`, `$|` specifies that every element in a noun that can be
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cast to a `++list` is either the atom `~` or the cell
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`[i=a t=(list a)]`.
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