31 Input/output library [input.output]

31.9 Span-based streams [span.streams]

31.9.4 Class template basic_ispanstream [ispanstream]

31.9.4.4 Member functions [ispanstream.members]

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basic_spanbuf<charT, traits>* rdbuf() const noexcept;
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Effects: Equivalent to: return const_cast<basic_spanbuf<charT, traits>*>(addressof(sb));
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std::span<const charT> span() const noexcept;
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Effects: Equivalent to: return rdbuf()->span();
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void span(std::span<charT> s) noexcept;
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Effects: Equivalent to rdbuf()->span(s).
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template<class ROS> void span(ROS&& s) noexcept;
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Constraints: ROS models ranges​::​borrowed_range.
(!convertible_to<ROS, std​::​span<charT>>) && convertible_to<ROS, std​::​span<const charT>> is true.
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Effects: Let sp be std​::​span<const charT>(std​::​forward<ROS>(s)).
Equivalent to: this->span(std::span<charT>(const_cast<charT*>(sp.data()), sp.size()))