Debugf to log message at info level.

Errorf to log message and warning messages will be logged.

Fatalf to log message and warning messages will be logged.

Infof to log message at info level.

Check if logging is enabled.

Run function only if output will be logged at debug level.

Run function only if output will be logged at debug level Only %v is allowable in format string.

Run function only if output will be logged at trace level.

Run function only if output will be logged at trace level Only %v is allowable in format string.

Run function only if output will be logged at verbose level.

Run function only if output will be logged at verbose level Only %v is allowable in format string.

Dump profiling info periodically.

Get profiling info.

Set the base log level.

SetLogWriter sets a new default destination.

StackTrace prints current stack at specified log level.

StackTraceAll prints all goroutine stacks at specified log level.

Tag user data in string format.

Tag user data in default format.

Tracef to log message at info level.

Verbosef to log message at verbose level.

A set of convenience methods to log to default logger See correspond methods on destination for details.

The default logger.

TimedNStackTraces is not Concurrent safe.

Timer interface.

Logger interface.

Log levels.