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cppdraft/streambuf/cons.md

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+[streambuf.cons]
+
+# 31 Input/output library [[input.output]](./#input.output)
+
+## 31.6 Stream buffers [[stream.buffers]](stream.buffers#streambuf.cons)
+
+### 31.6.3 Class template basic_streambuf [[streambuf]](streambuf#cons)
+
+#### 31.6.3.2 Constructors [streambuf.cons]
+
+[🔗](#lib:basic_streambuf,constructor)
+
+`basic_streambuf();
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3112)
+
+*Effects*: Initializes:[266](#footnote-266 "The default constructor is protected for class basic_­streambuf to assure that only objects for classes derived from this class can be constructed.")
+
+- [(1.1)](#1.1)
+
+all pointer member objects to null pointers,
+
+- [(1.2)](#1.2)
+
+thegetloc() member to a copy of the global locale,locale(),
+at the time of construction[.](#1.sentence-1)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3132)
+
+*Remarks*: Once thegetloc() member is initialized, results of calling locale member functions,
+and of members of facets so obtained, can safely be cached until the
+next time the memberimbue is called[.](#2.sentence-1)
+
+[🔗](#lib:basic_streambuf,constructor_)
+
+`basic_streambuf(const basic_streambuf& rhs);
+`
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3149)
+
+*Postconditions*: 
+
+- [(3.1)](#3.1)
+
+eback() == rhs.eback()
+
+- [(3.2)](#3.2)
+
+gptr() == rhs.gptr()
+
+- [(3.3)](#3.3)
+
+egptr() == rhs.egptr()
+
+- [(3.4)](#3.4)
+
+pbase() == rhs.pbase()
+
+- [(3.5)](#3.5)
+
+pptr() == rhs.pptr()
+
+- [(3.6)](#3.6)
+
+epptr() == rhs.epptr()
+
+- [(3.7)](#3.7)
+
+getloc() == rhs.getloc()
+
+[🔗](#lib:basic_streambuf,destructor)
+
+`~basic_streambuf();
+`
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3168)
+
+*Effects*: None[.](#4.sentence-1)
+
+[266)](#footnote-266)[266)](#footnoteref-266)
+
+The default constructor is protected for classbasic_streambuf to assure that only objects for classes
+derived from this class can be constructed[.](#footnote-266.sentence-1)