[re.regex.swap] (original) (raw)

30 Regular expressions library [re]

30.7 Class template basic_­regex [re.regex]

30.7.6 Swap [re.regex.swap]

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void swap(basic_regex& e);

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Effects: Swaps the contents of the two regular expressions.

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Postconditions: *this contains the regular expression that was in e, e contains the regular expression that was in *this.

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Complexity: Constant time.