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