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std::istreambuf_iterator<CharT,Traits>::istreambuf_iterator

(1) 
istreambuf_iterator() throw();
 (until C++11) 
constexpr istreambuf_iterator() noexcept;
 (since C++11) 
istreambuf_iterator( std::basic_istream<CharT,Traits>& is ) noexcept;
 (2) 
istreambuf_iterator( std::basic_streambuf<CharT,Traits>* s ) noexcept;
 (3) 
istreambuf_iterator( const /* proxy */& p ) noexcept;
 (4) 
istreambuf_iterator( const istreambuf_iterator& ) noexcept = default;
 (5) (since C++11)
1) Constructs an end-of-stream iterator.
2) Initializes the iterator and stores the value of is.rdbuf() in a data member. If is.rdbuf() is null, then end-of-stream iterator is constructed.
3) Initializes the iterator and stores the value of s in a data member. If s is null, then end-of-stream iterator is constructed.
4) Effectively call (3) with the streambuf_type* pointer p holds.
5) The copy constructor is explicitly defaulted.

Parameters

is - stream to obtain the stream buffer from
s - stream buffer to initialize the iterator with
p - object with implementation defined proxy type

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