find method of the set

What exactly find method of the standar开发者_JAVA技巧t set returns? Iterator to the actual element in the set or to its copy.

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It returns an iterator pointing to the actual element in the set

From table 69 in standard 23.1.2/7

expression

a.find(k)

assertion/note pre/post-condition

returns an iterator pointing to an element with the key equivalent to k, or a.end() if such an element is not found.

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Iterator to the actual element or end() if not found