23 Strings library [strings]

23.3 String view classes [string.view]

23.3.3 Class template basic_string_view [string.view.template]

23.3.3.5 Capacity [string.view.capacity]

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constexpr size_type size() const noexcept; constexpr size_type length() const noexcept;
1
#
Returns: size_.
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constexpr size_type max_size() const noexcept;
2
#
Returns: The largest possible number of char-like objects that can be referred to by a basic_string_view.
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[[nodiscard]] constexpr bool empty() const noexcept;
3
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Returns: size_ == 0.