23 Strings library [strings]

23.3 String view classes [string.view]

23.3.3 Class template basic_string_view [string.view.template]

23.3.3.7 Modifiers [string.view.modifiers]

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constexpr void remove_prefix(size_type n);
1
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Preconditions: n <= size().
2
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Effects: Equivalent to: data_ += n; size_ -= n;
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constexpr void remove_suffix(size_type n);
3
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Preconditions: n <= size().
4
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Effects: Equivalent to: size_ -= n;
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constexpr void swap(basic_string_view& s) noexcept;
5
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Effects: Exchanges the values of *this and s.