reduce repetition
parent
c02c0aabca
commit
1ba4399221
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@ -1,4 +1,5 @@
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(local { : view } (require :fennel))
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(local { : view } (require :fennel))
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(local { : merge } (require :lume))
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(macro expect [text actual expected]
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(macro expect [text actual expected]
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`(let [actual# ,actual]
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`(let [actual# ,actual]
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@ -14,10 +15,10 @@
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(fn command [rover [cmd & cmds]]
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(fn command [rover [cmd & cmds]]
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(let [r1
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(let [r1
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(match rover.direction
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(match rover.direction
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:n {:x rover.x :y (+ rover.y 1) :direction :n : command}
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:n (merge rover {:y (+ rover.y 1)})
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:s {:x rover.x :y (- rover.y 1) :direction :s : command}
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:s (merge rover {:y (- rover.y 1)})
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:w {:x (- rover.x 1) :y rover.y :direction :w : command}
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:w (merge rover {:x (- rover.x 1)})
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:e {:x (+ rover.x 1) :y rover.y :direction :e : command})]
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:e (merge rover {:x (+ rover.x 1)}))]
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(if (next cmds)
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(if (next cmds)
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(r1:command cmds)
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(r1:command cmds)
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r1)))
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r1)))
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