cpplearner
diff --git a/‎headers/string_view‎
Lines changed: 17 additions & 0 deletions b/‎headers/string_view‎
Lines changed: 17 additions & 0 deletions
@@ -188,6 +188,23 @@ constexpr bool
 operator>=(basic_string_view<CharT, Traits> lhs,
            basic_string_view<CharT, Traits> rhs) noexcept;
 
+inline namespace literals {
+inline namespace string_view_literals {
+
+constexpr string_view operator "" sv(const char* str, size_t len) noexcept;
+
+#if CPPREFERENCE_STDVER >= 2020
+constexpr u8string_view
+    operator "" sv(const char8_t* str, size_t len) noexcept;
+#endif
+
+constexpr u16string_view operator "" sv(const char16_t* str, size_t len) noexcept;
+constexpr u32string_view operator "" sv(const char32_t* str, size_t len) noexcept;
+constexpr wstring_view operator "" sv(const wchar_t* str, size_t len) noexcept;
+
+} // namespace string_view_literals
+} // namespace literals
+
 } // namespace std
 
 #endif // CPPREFERENCE_STDVER >= 2017