486 lines
33 KiB
HTML
486 lines
33 KiB
HTML
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<link rel="stylesheet" href="../../../../coverage.css"/> <title> cc/journeyman/the_great_game/merchants/planning.clj </title>
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<span class="covered" title="1 out of 1 forms covered">
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001 (ns cc.journeyman.the-great-game.merchants.planning
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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002 "Trade planning for merchants, primarily. This follows a simple-minded
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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003 generate-and-test strategy and currently generates plans for all possible
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<span class="not-tracked" title="0 out of 0 forms covered">
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004 routes from the current location. This may not scale. Also, routes do not
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<span class="not-tracked" title="0 out of 0 forms covered">
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005 currently have cost or risk associated with them."
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<span class="not-tracked" title="0 out of 0 forms covered">
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006 (:require [cc.journeyman.the-great-game.utils :refer [deep-merge make-target-filter]]
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<span class="not-tracked" title="0 out of 0 forms covered">
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007 [cc.journeyman.the-great-game.merchants.merchant-utils :refer [can-afford can-carry expected-price]]
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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008 [cc.journeyman.the-great-game.world.routes :refer [find-route]]
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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009 [cc.journeyman.the-great-game.world.world :refer [actual-price default-world]]))
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<span class="blank" title="0 out of 0 forms covered">
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010
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<span class="covered" title="1 out of 1 forms covered">
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011 (defn generate-trade-plans
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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012 "Generate all possible trade plans for this `merchant` and this `commodity`
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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013 in this `world`.
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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014
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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015 Returned plans are maps with keys:
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<span class="blank" title="0 out of 0 forms covered">
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016
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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017 * :merchant - the id of the `merchant` for whom the plan was created;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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018 * :origin - the city from which the trade starts;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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019 * :destination - the city to which the trade is planned;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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020 * :commodity - the `commodity` to be carried;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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021 * :buy-price - the price at which that `commodity` can be bought;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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022 * :expected-price - the price at which the `merchant` anticipates
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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023 that `commodity` can be sold;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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024 * :distance - the number of stages in the planned journey
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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025 * :dist-to-home - the distance from `destination` to the `merchant`'s
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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026 home city."
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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027 [merchant world commodity]
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</span><br/>
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<span class="partial" title="3 out of 4 forms covered">
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028 (let [m (cond
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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029 (keyword? merchant)
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</span><br/>
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<span class="covered" title="5 out of 5 forms covered">
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030 (-> world :merchants merchant)
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<span class="covered" title="3 out of 3 forms covered">
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031 (map? merchant)
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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032 merchant)
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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033 origin (:location m)]
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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034 (map
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</span><br/>
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<span class="covered" title="11 out of 11 forms covered">
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035 #(hash-map
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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036 :merchant (:id m)
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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037 :origin origin
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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038 :destination %
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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039 :commodity commodity
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</span><br/>
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<span class="covered" title="5 out of 5 forms covered">
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040 :buy-price (actual-price world commodity origin)
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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041 :expected-price (expected-price
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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042 m
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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043 commodity
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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044 %)
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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045 :distance (count
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</span><br/>
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<span class="covered" title="5 out of 5 forms covered">
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046 (find-route world origin %))
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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047 :dist-to-home (count
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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048 (find-route
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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049 world
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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050 (:home m)
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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051 %)))
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</span><br/>
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<span class="covered" title="11 out of 11 forms covered">
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052 (remove #(= % origin) (-> world :cities keys)))))
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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053
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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054 (defn nearest-with-targets
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<span class="not-tracked" title="0 out of 0 forms covered">
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055 "Return the distance to the nearest destination among those of these
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<span class="not-tracked" title="0 out of 0 forms covered">
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056 `plans` which match these `targets`. Plans are expected to be plans
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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057 as returned by `generate-trade-plans`, q.v.; `targets` are expected to be
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<span class="not-tracked" title="0 out of 0 forms covered">
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058 as accepted by `make-target-filter`, q.v."
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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059 [plans targets]
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</span><br/>
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<span class="not-covered" title="0 out of 2 forms covered">
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060 (apply
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</span><br/>
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<span class="not-covered" title="0 out of 1 forms covered">
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061 min
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</span><br/>
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<span class="not-covered" title="0 out of 3 forms covered">
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062 (map
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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063 :distance
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</span><br/>
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<span class="not-covered" title="0 out of 2 forms covered">
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064 (filter
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</span><br/>
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<span class="not-covered" title="0 out of 3 forms covered">
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065 (make-target-filter targets)
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</span><br/>
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<span class="not-covered" title="0 out of 1 forms covered">
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066 plans))))
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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067
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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068 (defn plan-trade
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<span class="not-tracked" title="0 out of 0 forms covered">
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069 "Find the best destination in this `world` for this `commodity` given this
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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070 `merchant` and this `origin`. If two cities are anticipated to offer the
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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071 same price, the nearer should be preferred; if two are equally distant, the
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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072 ones nearer to the merchant's home should be preferred.
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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073 `merchant` may be passed as a map or a keyword; `commodity` should be
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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074 passed as a keyword.
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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075
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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076 The returned plan is a map with keys:
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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077
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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078 * :merchant - the id of the `merchant` for whom the plan was created;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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079 * :origin - the city from which the trade starts;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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080 * :destination - the city to which the trade is planned;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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081 * :commodity - the `commodity` to be carried;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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082 * :buy-price - the price at which that `commodity` can be bought;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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083 * :expected-price - the price at which the `merchant` anticipates
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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084 that `commodity` can be sold;
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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085 * :distance - the number of stages in the planned journey
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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086 * :dist-to-home - the distance from `destination` to the `merchant`'s
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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087 home city."
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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088 [merchant world commodity]
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</span><br/>
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<span class="covered" title="6 out of 6 forms covered">
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089 (let [plans (generate-trade-plans merchant world commodity)
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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090 best-prices (filter
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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091 (make-target-filter
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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092 [[:expected-price
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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093 (apply
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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094 max
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</span><br/>
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<span class="covered" title="7 out of 7 forms covered">
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095 (filter number? (map :expected-price plans)))]])
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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096 plans)]
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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097 (first
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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098 (sort-by
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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099 ;; all other things being equal, a merchant would prefer to end closer
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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100 ;; to home.
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</span><br/>
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<span class="not-covered" title="0 out of 5 forms covered">
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101 #(- 0 (:dist-to-home %))
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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102 ;; a merchant will seek the best price, but won't go further than
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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103 ;; needed to get it.
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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104 (filter
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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105 (make-target-filter
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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106 [[:distance
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</span><br/>
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<span class="covered" title="10 out of 10 forms covered">
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107 (apply min (filter number? (map :distance best-prices)))]])
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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108 best-prices)))))
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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109
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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110 (defn augment-plan
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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111 "Augment this `plan` constructed in this `world` for this `merchant` with
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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112 the `:quantity` of goods which should be bought and the `:expected-profit`
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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113 of the trade.
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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114
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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115 Returns the augmented plan."
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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116 [merchant world plan]
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</span><br/>
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<span class="covered" title="4 out of 4 forms covered">
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117 (let [c (:commodity plan)
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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118 o (:origin plan)
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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119 q (min
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</span><br/>
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<span class="partial" title="4 out of 5 forms covered">
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120 (or
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</span><br/>
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<span class="covered" title="9 out of 9 forms covered">
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121 (-> world :cities o :stock c)
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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122 0)
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</span><br/>
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<span class="covered" title="5 out of 5 forms covered">
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123 (can-carry merchant world c)
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</span><br/>
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<span class="covered" title="5 out of 5 forms covered">
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124 (can-afford merchant world c))
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</span><br/>
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<span class="covered" title="9 out of 9 forms covered">
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125 p (* q (- (:expected-price plan) (:buy-price plan)))]
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</span><br/>
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<span class="covered" title="7 out of 7 forms covered">
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126 (assoc plan :quantity q :expected-profit p)))
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</span><br/>
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<span class="blank" title="0 out of 0 forms covered">
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127
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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128 (defn select-cargo
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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129 "A `merchant`, in a given location in a `world`, will choose to buy a cargo
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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130 within the limit they are capable of carrying, which they can anticipate
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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131 selling for a profit at a destination."
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</span><br/>
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<span class="not-tracked" title="0 out of 0 forms covered">
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132 [merchant world]
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</span><br/>
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<span class="partial" title="2 out of 4 forms covered">
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133 (let [m (cond
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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134 (keyword? merchant)
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</span><br/>
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<span class="covered" title="5 out of 5 forms covered">
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135 (-> world :merchants merchant)
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</span><br/>
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<span class="not-covered" title="0 out of 3 forms covered">
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136 (map? merchant)
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</span><br/>
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<span class="not-covered" title="0 out of 1 forms covered">
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137 merchant)
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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138 origin (:location m)
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</span><br/>
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<span class="covered" title="7 out of 7 forms covered">
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139 available (-> world :cities origin :stock)
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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140 plans (map
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</span><br/>
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<span class="covered" title="2 out of 2 forms covered">
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141 #(augment-plan
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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142 m
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</span><br/>
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<span class="covered" title="1 out of 1 forms covered">
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143 world
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</span><br/>
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<span class="covered" title="5 out of 5 forms covered">
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144 (plan-trade m world %))
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</span><br/>
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<span class="covered" title="3 out of 3 forms covered">
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145 (filter
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</span><br/>
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<span class="covered" title="10 out of 10 forms covered">
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146 #(let [q (-> world :cities origin :stock %)]
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|
</span><br/>
|
|
<span class="partial" title="8 out of 9 forms covered">
|
|
147 (and (number? q) (pos? q)))
|
|
</span><br/>
|
|
<span class="covered" title="3 out of 3 forms covered">
|
|
148 (keys available)))]
|
|
</span><br/>
|
|
<span class="covered" title="1 out of 1 forms covered">
|
|
149 (if
|
|
</span><br/>
|
|
<span class="covered" title="5 out of 5 forms covered">
|
|
150 (not (empty? plans))
|
|
</span><br/>
|
|
<span class="covered" title="2 out of 2 forms covered">
|
|
151 (first
|
|
</span><br/>
|
|
<span class="covered" title="3 out of 3 forms covered">
|
|
152 (sort-by
|
|
</span><br/>
|
|
<span class="not-covered" title="0 out of 5 forms covered">
|
|
153 #(- 0 (:dist-to-home %))
|
|
</span><br/>
|
|
<span class="covered" title="2 out of 2 forms covered">
|
|
154 (filter
|
|
</span><br/>
|
|
<span class="covered" title="2 out of 2 forms covered">
|
|
155 (make-target-filter
|
|
</span><br/>
|
|
<span class="covered" title="3 out of 3 forms covered">
|
|
156 [[:expected-profit
|
|
</span><br/>
|
|
<span class="covered" title="10 out of 10 forms covered">
|
|
157 (apply max (filter number? (map :expected-profit plans)))]])
|
|
</span><br/>
|
|
<span class="covered" title="1 out of 1 forms covered">
|
|
158 plans))))))
|
|
</span><br/>
|
|
<span class="blank" title="0 out of 0 forms covered">
|
|
159
|
|
</span><br/>
|
|
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