cppdraft_translate/cppdraft/ispanstream/cons.md

[ispanstream.cons]

31 Input/output library [input.output]

31.9 Span-based streams [span.streams]

31.9.4 Class template basic_ispanstream [ispanstream]

31.9.4.2 Constructors [ispanstream.cons]

🔗

explicit basic_ispanstream(std::span<charT> s, ios_base::openmode which = ios_base::in);

1

#

Effects: Initializes the base class withbasic_istream<charT, traits>(addressof(sb)) and sb withbasic_spanbuf<charT, traits>(s, which | ios_base​::​in) ([spanbuf.cons]).

🔗

basic_ispanstream(basic_ispanstream&& rhs);

2

#

Effects: Initializes the base class with std​::​move(rhs) and sb with std​::​move(rhs.sb).

Next, basic_istream<charT, traits>​::​set_rdbuf(addressof(sb)) is called to install the contained basic_spanbuf.

🔗

template<class ROS> explicit basic_ispanstream(ROS&& s)

3

#

Constraints: ROS models ranges​::​borrowed_range.

<ROS, std​::​span> && convertible_to<ROS, std​::​span> is true.

4

#

Effects: Let sp be std​::​span(std​::​forward(s)).

Equivalent to:basic_ispanstream(std::span(const_cast<charT*>(sp.data()), sp.size()))