Locales and Facets

As you saw in Exploration 18, C++ offers a complicated system to support internationalization and localization of your code. Even if you don’t intend to ship translations of your program in a multitude of languages, you must understand the locale mechanism that C++ uses. Indeed, you have been using it all along, because C++ always sends formatted I/O through the locale system. This Exploration will help you understand locales better and make more effective use of them in your programs.

The Problem

The story of the Tower of Babel resonates with programmers. Imagine a world that speaks a single language and uses ...

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