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@blackawa
Created September 1, 2018 10:41
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雑な西暦->和暦変換関数
(defn- 西暦->和暦 [西暦]
(let [year (read-string 西暦)]
(cond
;; 平成
(<= 0 (- year 1988))
{:和暦 "平成"
:年 (- year 1988)}
;; 昭和
(<= 0 (- year 1925))
{:和暦 "昭和"
:年 (- year 1925)}
;; 大正
(<= 0 (- year 1911))
{:和暦 "大正"
:年 (- year 1911)}
:else
{:和暦 "不明"
:年 year})))
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