Init

cppdraft/bitset/operators.md

@@ -0,0 +1,106 @@
+[bitset.operators]
+
+# 22 General utilities library [[utilities]](./#utilities)
+
+## 22.9 Bitsets [[bitset]](bitset#operators)
+
+### 22.9.4 bitset operators [bitset.operators]
+
+[🔗](#lib:operator&,bitset)
+
+`template<size_t N>
+  constexpr bitset<N> operator&(const bitset<N>& lhs, const bitset<N>& rhs) noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11121)
+
+*Returns*: bitset<N>(lhs) &= rhs[.](#1.sentence-1)
+
+[🔗](#lib:operator%7c,bitset)
+
+`template<size_t N>
+  constexpr bitset<N> operator|(const bitset<N>& lhs, const bitset<N>& rhs) noexcept;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11133)
+
+*Returns*: bitset<N>(lhs) |= rhs[.](#2.sentence-1)
+
+[🔗](#lib:operator%5e,bitset)
+
+`template<size_t N>
+  constexpr bitset<N> operator^(const bitset<N>& lhs, const bitset<N>& rhs) noexcept;
+`
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11145)
+
+*Returns*: bitset<N>(lhs) ^= rhs[.](#3.sentence-1)
+
+[🔗](#lib:operator%3e%3e,bitset)
+
+`template<class charT, class traits, size_t N>
+  basic_istream<charT, traits>&
+    operator>>(basic_istream<charT, traits>& is, bitset<N>& x);
+`
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11158)
+
+A formatted input function ([[istream.formatted]](istream.formatted "31.7.5.3 Formatted input functions"))[.](#4.sentence-1)
+
+[5](#5)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11161)
+
+*Effects*: Extracts up to N characters from is[.](#5.sentence-1)
+
+Stores these characters in a temporary object str of typebasic_string<charT, traits>,
+then evaluates the expressionx = bitset<N>(str)[.](#5.sentence-2)
+
+Characters are extracted and stored until any of the following occurs:
+
+- [(5.1)](#5.1)
+
+N characters have been extracted and stored;
+
+- [(5.2)](#5.2)
+
+end-of-file occurs on the input sequence;
+
+- [(5.3)](#5.3)
+
+the next input character is neitheris.widen('0') noris.widen('1') (in which case the input character is not extracted)[.](#5.sentence-3)
+
+[6](#6)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11183)
+
+If N > 0 and no characters are stored in str,ios_base​::​failbit is set in the input function's local error state
+before setstate is called[.](#6.sentence-1)
+
+[7](#7)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11188)
+
+*Returns*: is[.](#7.sentence-1)
+
+[🔗](#lib:operator%3c%3c,bitset)
+
+`template<class charT, class traits, size_t N>
+  basic_ostream<charT, traits>&
+    operator<<(basic_ostream<charT, traits>& os, const bitset<N>& x);
+`
+
+[8](#8)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11201)
+
+*Returns*: os << x.template to_string<charT, traits, allocator<charT>>( use_facet<ctype<charT>>(os.getloc()).widen('0'),
+ use_facet<ctype<charT>>(os.getloc()).widen('1')) (see [[ostream.formatted]](ostream.formatted "31.7.6.3 Formatted output functions"))[.](#8.sentence-1)