NAME¶

std::basic_spanbuf::span - std::basic_spanbuf::span

Synopsis¶

std::span<CharT> span() const noexcept; (1) (since C++23)
void span( std::span<CharT> s ) noexcept; (2) (since C++23)

1) Gets a span referencing the written area if std::ios_base::out is set in the open
mode, or a span referencing the underlying buffer otherwise.
2) Makes the basic_spanbuf perform I/O on the buffer referenced by s. Sets pointers
to get area, put area, or both.

Set bits in open mode Return value after setting
(affecting pointers to get area) eback() gptr() egptr()
std::ios_base::in s.data() s.data() s.data() +
s.size()
Set bits in open mode Return value after setting
(affecting pointers to put area) pbase() pptr() epptr()
std::ios_base::out && s.data() s.data() s.data() +
!std::ios_base::ate s.size()
std::ios_base::out && s.data() s.data() + s.data() +
std::ios_base::ate s.size() s.size()

Parameters¶

s - a std::span that references the user-provided buffer

Return value¶

1) std::span<CharT>(pbase(), pptr()) if std::ios_base::out is set in the open mode,
or a std::span<CharT> that references the whole underlying buffer otherwise.
2) (none)

Example¶

This section is incomplete
Reason: no example

See also¶

replaces or obtains a copy of the associated character string
str (public member function of std::basic_stringbuf<CharT,Traits,Allocator>)

view obtains a view over the underlying character sequence
(C++20) (public member function of std::basic_stringbuf<CharT,Traits,Allocator>)

marks the buffer frozen and returns the beginning pointer of the input
str sequence
(public member function of std::strstreambuf)

Category:¶

* Todo no example