rand-intを使えば、最初から整数として返してくれるので楽チン。
サイコロの出目と点数を返す関数とそれを表示する関数にわけてもいいかもしれない。
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(defn dice-game [] | |
(let [die1 (+ 1 (rand-int 6)) | |
die2 (+ 1 (rand-int 6))] | |
(printf "you rolled a %d and a %d for a score of %d\n" | |
die1 | |
die2 | |
(cond (or (= 1 die1) (= 1 die2)) 0 | |
(= die1 die2) (* 2 (+ die1 die2)) | |
:else (+ die1 die2))))) |
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