pub fn set_log_verbosity(level: usize) -> Result<(), String>Expand description
Sets the global log verbosity level.
- 0: OFF
- 1: ERROR
- 2: WARN
- 3: INFO
- 4: DEBUG
- 5+: TRACE
Updates all reloadable layers (stdout, file, etc.).
Returns an error if no log handle is installed or if the reload fails.