xtd - Reference Guide  0.1.0
Modern c++17 framework to create console, gui and unit test applications on Windows, macOS and Linux.

§ iu16string

using xtd::iu16string = typedef immutable_basic_string<char16_t, std::char_traits<char16_t>>

Immutable u16string<char_t>

Remarks
It can be replaced by const std::u16string<char_t>.