2015-08-13 03:26:22 +03:00
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centar, `%*`, %cntr
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2015-02-18 06:03:21 +03:00
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============================
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Pull with changes
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`%*` is a synthetic rune that [pull]()s the wing `p` from a [door]() `q`
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with changes `r`, terminated by `==`. `%*` is used to specify changes in
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the context of a wing when it is pulled.
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See also
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--------
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`%~`, which changes the sample specifically
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Produces
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--------
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Twig: `[%cntr p=wing q=twig r=tram]`
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Sample
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------
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`p` is a [++wing](). `q` is a [++twig](). `r` is a [++tram]().
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Tall form
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---------
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%* p q
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p.i.r q.i.r
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p.i.t.r q.i.t.r
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==
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Wide form
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---------
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%*(p q p.i.r q.i.r, p.i.t.r q.i.t.r)
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Irregular form
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--------------
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None
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Examples
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--------
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/~zod/try=> =a 42
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new var %a
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/~zod/try=> =b |%
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++ mult (mul 2 a)
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--
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new var %b
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/~zod/try=> mult.b
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84
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/~zod/try=> %*(mult b a 2)
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4
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Here we add a variable `a` to our context, and a door `b` with a wing
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`++mult`that depends on `a`. Calling `++mult` produces `84`, and we can
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use `%*` to replace `a` in the context of `mult.b` with `2` to simply
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produce `4`.
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