std::basic_spanbuf<CharT,Traits>::span - cppreference.com
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(1) | (since C++23) |
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(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 (affecting pointers to get area) |
Return value after setting | ||
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| std::basic_streambuf::eback | std::basic_streambuf::gptr | std::basic_streambuf::egptr | |
std::ios_base::in
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s.data()
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s.data()
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s.data() + s.size()
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| Set bits in open mode (affecting pointers to put area) |
Return value after setting | ||
| std::basic_streambuf::pbase | std::basic_streambuf::pptr | std::basic_streambuf::epptr | |
std::ios_base::out && !std::ios_base::ate
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s.data()
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s.data()
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s.data() + s.size()
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std::ios_base::out && std::ios_base::ate
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s.data()
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s.data() + s.size()
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s.data() + s.size()
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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
See also
| replaces or obtains a copy of the associated character string (public member function of std::basic_stringbuf<CharT,Traits,Allocator>) [edit]
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| obtains a view over the underlying character sequence (public member function of std::basic_stringbuf<CharT,Traits,Allocator>) [edit]
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| marks the buffer frozen and returns the beginning pointer of the input sequence (public member function of std::strstreambuf) [edit]
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