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In this article, we will take look at how you can use and configure log4rs to log to a file in your Rust program. Specifically, we will look at some of the options using YAML to configure the logging. What is log4rs From the crate description: “log4rs is a highly configurable logging framework modeled after Java’s Logback and log4j libraries.” For the log4rs crate’s page click here. Why log4rs What is good about log4rs? It offers an easy way to log to a file and it is highly configurable using a YAML config file, as well as through code. However,…