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Mention of rang library

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Henry Fredrick Schreiner 2017-02-27 14:40:53 -05:00
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@ -199,3 +199,19 @@ app.add_option("--fancy-count", [](std::vector<std::vector<std::string>> val){
To contribute, open an [issue](https://github.com/henryiii/CLI11/issues) or [pull request](https://github.com/henryiii/CLI11/pulls) on GitHub, or ask a question on [gitter](https://gitter.im/CLI11gitter/Lobby).
## Other libraries
If you use the [`rang`](https://github.com/agauniyal/rang/wiki) library to add color to your terminal in a safe, multi-platform way, you can combine it with CLI11 nicely:
```
std::atexit([](){std::cout << rang::style::reset;});
try {
app.parse(argc, argv);
} catch (const CLI::ParseError &e) {
std::cout << (e.exit_code==0 ? rang::fg::blue : rang::fg::red);
return app.exit(e);
}
```
This will print help in blue, errors in red, and will reset before returning the terminal to the user.