The set of pre-defined logging levels that are universally recognized.
Attempts to parse one of the standard logging levels defined by Levels from a string. The provided string is checked against the names of each of the defined logging levels, and the level whose name matches is returned, ignoring capitalization or whitespace.
The struct definition of a logging level.
Defines the concept of a *Log Level*, that is, a quantifiable *severity* of a log message, which can be used to determine if such a message is shown, or where that message gets routed.