[char.traits.specializations.general]

# 27 Strings library [[strings]](./#strings)

## 27.2 Character traits [[char.traits]](char.traits#specializations.general)

### 27.2.4 char_traits specializations [[char.traits.specializations]](char.traits.specializations#general)

#### 27.2.4.1 General [char.traits.specializations.general]

[🔗](#lib:char_traits)

namespace std {template<> struct char_traits<char>; template<> struct char_traits<char8_t>; template<> struct char_traits<char16_t>; template<> struct char_traits<char32_t>; template<> struct char_traits<wchar_t>;}

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/strings.tex#L262)

The header [<string>](string.syn#header:%3cstring%3e "27.4.2 Header <string> synopsis [string.syn]") defines five specializations of the class templatechar_traits:char_traits<​char>,char_traits<char8_t>,char_traits<char16_t>,char_traits<char32_t>,
andchar_traits<wchar_t>[.](#1.sentence-1)