Ctx returns the Logger associated with the ctx.

Debug starts a new message with debug level or sends the *Event with msg added as the message field if not empty.

Error starts a new message with error level or sends the *Event with msg added as the message field if not empty.

Fatal starts a new message with fatal level or sends the *Event with msg added as the message field if not empty.

Info starts a new message with info level or sends the *Event with msg added as the message field if not empty.

Panic starts a new message with panic level or sends the *Event with msg added as the message field if not empty.

Print sends a log event using debug level and no extra field.

Printf sends a log event using debug level and no extra field.

Warn starts a new message with warn level or sends the *Event with msg added as the message field if not empty.

Logger is the global logger.