FlagSet returns true if the OPC_DEBUG environment variable contains the given flag.

PrefixLogger returns a new debug logger when debug logging is enabled.

Printf logs the message with Logger.Printf() when debug logging is enabled.

ToJSON returns the JSON representation of v when debug logging is enabled.

Enable controls whether debug logging is enabled.

Flags contains the debug flags set by OPC_DEBUG.

Logger logs the debug messages when debug logging is enabled.