How to put in log string + int?

[maksglukhov]

Hi guys,

I need to put in logs message + int
I tried this but there is no int in logs and my text is cuted :
auto mylogger = spdlog::basic_logger_mt("logger", "logs/logs.txt");
mylogger->info("The number to guess is: " + ran);

how should i do?
Thank you!

[tt4g]

fmt library is used to format log messages with arguments in spdlog.
Try it.

auto mylogger = spdlog::basic_logger_mt("logger", "logs/logs.txt");
mylogger->info("The number to guess is: {}", ran);

And see fmt documentation: https://fmt.dev/8.0.0/

[maksglukhov]

Thank you! It works and I wil read the documentation.