29 Input/output library [input.output]

29.8 String-based streams [string.streams]

29.8.3 Class template basic_­istringstream [istringstream]

29.8.3.2 Constructors [istringstream.cons]

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explicit basic_istringstream(ios_base::openmode which);
1
#
Effects: Initializes the base class with basic_­istream<charT, traits>(addressof(sb)) ([istream]) and sb with basic_­stringbuf<charT, traits, Allocator>(which | ios_­base​::​in) ([stringbuf.cons]).
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explicit basic_istringstream( const basic_string<charT, traits, Allocator>& s, ios_base::openmode which = ios_base::in);
2
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Effects: Initializes the base class with basic_­istream<charT, traits>(addressof(sb)) ([istream]) and sb with basic_­stringbuf<charT, traits, Allocator>(s, which | ios_­base​::​in)
([stringbuf.cons]).
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basic_istringstream(ios_base::openmode which, const Allocator& a);
3
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Effects: Initializes the base class with basic_­istream<charT, traits>(addressof(sb)) ([istream]) and sb with basic_­stringbuf<charT, traits, Allocator>(which | ios_­base​::​in, a) ([stringbuf.cons]).
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explicit basic_istringstream( basic_string<charT, traits, Allocator>&& s, ios_base::openmode which = ios_base::in);
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Effects: Initializes the base class with basic_­istream<charT, traits>(addressof(sb)) ([istream]) and sb with basic_­stringbuf<charT, traits, Allocator>(std​::​move(s), which | ios_­base​::​​in) ([stringbuf.cons]).
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template<class SAlloc> basic_istringstream( const basic_string<charT, traits, SAlloc>& s, ios_base::openmode which, const Allocator& a);
5
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Effects: Initializes the base class with basic_­istream<charT, traits>(addressof(sb)) ([istream]) and sb with basic_­stringbuf<charT, traits, Allocator>(s, which | ios_­base​::​in, a)
([stringbuf.cons]).
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template<class SAlloc> explicit basic_istringstream( const basic_string<charT, traits, SAlloc>& s, ios_base::openmode which = ios_base::in);
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Effects: Initializes the base class with basic_­istream<charT, traits>(addressof(sb)) ([istream]) and sb with basic_­stringbuf<charT, traits, Allocator>(s, which | ios_­base​::​in) ([stringbuf.cons]).
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basic_istringstream(basic_istringstream&& rhs);
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Effects: Move constructs from the rvalue rhs.
This is accomplished by move constructing the base class, and the contained basic_­stringbuf.
Then calls basic_­istream<charT, traits>​::​set_­rdbuf(addressof(sb)) to install the contained basic_­stringbuf.