# Functions
Ctx returns the Logger associated with the ctx.
Debug starts a new message with debug level.
Err starts a new message with error level with err as a field if not nil or with info level if err is nil.
Error starts a new message with error level.
Fatal starts a new message with fatal level.
Hook returns a logger with the h Hook.
Info starts a new message with info level.
Level creates a child logger with the minimum accepted level set to level.
Log starts a new message with no level.
Output duplicates the global logger and sets w as its output.
Panic starts a new message with panic level.
Print sends a log event using debug level and no extra field.
Printf sends a log event using debug level and no extra field.
Sample returns a logger with the s sampler.
Trace starts a new message with trace level.
Warn starts a new message with warn level.
With creates a child logger with the field added to its context.
WithLevel starts a new message with level.
# Variables
Logger is the global logger.