Prevent default logger's level from being unset #106
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Otherwise getting the _effective_ level of a logger can return unset
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For context, this was discovered while testing ros2/rcl#256 (setting unset would cause debug messages to be printed because unset < debug). |
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Otherwise getting the effective level of a logger can return unset, where it should always return one of info, warn, etc (falling back to the default if a logger's level hasn't been explicitly set).