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What are the differences between type and class in Clojure?

(type "") => java.lang.String (class "") => java.lang.String (type 1) => java.lang.Long (class 1) => java.lang.Long
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According to ClojureDocs

type

type clojure.core

(type x)

Returns the :type metadata of x, or its Class if none

class

class clojure.core

(class x)

Returns the Class of x

So, basically if there're metadata inside x, type should return its :type metadata, otherwise they're the same thing.

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What is a case where the type metadata wouldn't be there? And what adds it?

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