// SetLogLevel sets the log level (if it's valid) and returns the previous level.
SetLogLevel sets the log level (if it's valid) and returns the previous level.
// SetLogLevel sets the log level ( if it ' s valid ) and returns the previous level .
func SetLogLevel(lvl LogLevel) LogLevel {
	std.mu.Lock()
	defer std.mu.Unlock()
	if lvl.String() == "invalid" {
		return std.lvl
	}
	old := std.lvl
	std.lvl = lvl
	return old
}
func SetLogLevel ( lvl LogLevel ) LogLevel { std . mu . Lock ( ) defer std . mu . Unlock ( ) if lvl . String ( ) == " " { return std . lvl } old := std . lvl std . lvl = lvl return old }
SetLogLevel sets the log level (if it's valid) and returns the previous level.
SetLogLevel sets the log level ( if it ' s valid ) and returns the previous level .