pub fn setup_log(settings: &Settings) -> Result<()>Expand description
Setup logging for the library
This function sets up logging for the library. It uses the tracing crate, and the tracing-subscriber crate for formatting.
The log level is defined in the configuration file, and defaults to INFO.
If log_out is specifified in the configuration file, a log file is created with the specified name.
If not, the log messages are written to stdout.