判断 set1 是否 set2 的超集。
set1
set2
查看源码
user> (clojure.set/superset? #{:a :b :c} #{:a :b}) true user> (clojure.set/superset? #{:a :c :d} #{:a :b}) false user> (clojure.set/superset? #{:a :b} #{:a :b}) true user> (clojure.set/superset? #{:a :b} #{}) true
subset?
union
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