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cppdraft/locale/operators.md

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+[locale.operators]
+
+# 28 Text processing library [[text]](./#text)
+
+## 28.3 Localization library [[localization]](localization#locale.operators)
+
+### 28.3.3 Locales [[locales]](locales#locale.operators)
+
+#### 28.3.3.1 Class locale [[locale]](locale#operators)
+
+#### 28.3.3.1.5 Operators [locale.operators]
+
+[🔗](#lib:locale,operator==)
+
+`bool operator==(const locale& other) const;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/text.tex#L1070)
+
+*Returns*: true if
+both arguments are the same locale, or
+one is a copy of the other, or
+each has a name and the names are identical;false otherwise[.](#1.sentence-1)
+
+[🔗](#lib:locale,operator())
+
+`template<class charT, class traits, class Allocator>
+  bool operator()(const basic_string<charT, traits, Allocator>& s1,
+                  const basic_string<charT, traits, Allocator>& s2) const;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/text.tex#L1087)
+
+*Effects*: Compares two strings according to the std​::​collate<charT> facet[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/text.tex#L1091)
+
+*Returns*: use_facet<std::collate<charT>>(*this).compare(s1.data(), s1.data() + s1.size(),
+ s2.data(), s2.data() + s2.size()) < 0
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/text.tex#L1098)
+
+*Remarks*: This member operator template (and therefore locale itself)
+meets the requirements for
+a comparator predicate template argument ([[algorithms]](algorithms "26 Algorithms library")) applied to strings[.](#4.sentence-1)
+
+[5](#5)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/text.tex#L1104)
+
+[*Example [1](#example-1)*:
+
+A vector of strings v can be collated according to collation rules in locale loc simply by ([[alg.sort]](alg.sort "26.8.2 Sorting"), [[vector]](vector "23.3.13 Class template vector")):
+
+std::sort(v.begin(), v.end(), loc); — *end example*]