Error logs the given v along with r in error log.

Errorf logs the given v with format along with r in error log.

Info logs the given v along with r in access log.

Infof logs the given v with format along with r in access log.

StartHttp starts a http server.

StartHttps starts a https server.

LogContext is a context key.

A LogCollector is used to collect logs.

StartOption defines the method to customize http.Server.