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urbit.org/docs/programming/reference/library/src/2o/mold/jar.md
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1### `++jar`
4Tile generator. A `++jar` is a `++map` of `++list`.
6Source
7------
9 ++ jar |*({a/$-(* *) b/$-(* *)} (map a (list b))) :: map of lists
12Examples
13--------
15See also: `++ja`, `++by`, `++map`, `++list`
17 ~zod/try=> =a (limo [1 2 ~])
18 ~zod/try=> a
19 [i=1 t=[i=2 t=~]]
20 ~zod/try=> =b (limo [3 4 ~])
21 ~zod/try=> b
22 [i=3 t=[i=4 t=~]]
23 ~zod/try=> =c (mo (limo [[%a a] [%b b] ~]))
24 ~zod/try=> c
25 {[p=%a q=[i=1 t=[i=2 t=~]]] [p=%b q=[i=3 t=[i=4 t=~]]]}
26 ~zod/try=> (~(get ja c) %a)
27 [i=1 t=[i=2 t=~]]
28 ~zod/try=> (~(get ja c) %c)
29 ~
33***