21 Strings library [strings]

21.4 String view classes [string.view]

21.4.2 Class template basic_string_view [string.view.template]

21.4.2.5 Modifiers [string.view.modifiers]

constexpr void remove_prefix(size_type n);

1

Requires: n <= size().

2

Effects: Equivalent to: data_ += n; size_ -= n;

constexpr void remove_suffix(size_type n);

3

Requires: n <= size().

4

Effects: Equivalent to: size_ -= n;

constexpr void swap(basic_string_view& s) noexcept;

5

Effects: Exchanges the values of *this and s.